Please give me 15 riddles

It has a big mouth, big ears and drooping shoulders. It has no legs or hands and follows people around. (Daily items)

The color of charcoal is bright when it is first dyed red. It is dyed bright red and black and then sold for money. When bought, it is dyed bright red again. When the red color fades, it is worthless.

Hang likes to be solid most, but does not tolerate looseness. Only for the sake of a hundred-year plan, he dares to beat bravely.

The crutch has no branches, no leaves and no flowers. It accompanies me to become a monk. I have the final say when it is difficult to walk on the road. My old age depends on it.

The honeycomb briquette black baby will turn red, and its body is covered with holes for ventilation. It knows that the sea of ????fire is about to fall, but it sacrifices itself to shine for others.

Paper flowers do not need to be watered or planted in soil. Although they have no fragrance, they bloom all year round.

Chemical fiber is like cotton but not cotton. The name is very fresh. It is extracted from stones and spun in the workshop.

The brick kiln looks like a tomb from a distance, but up close there is a door and a kang inside, but no one can live on the kang. (Infrastructure)

The lightning rod has a steel body with a sharp tip, rooted in the earth and in the sky. It is born to occupy the high ground and specializes in dealing with thunder and lightning.

The envelope is a small paper bag a few inches long, and the joy, anger, sorrow and joy are hidden in the bag. They are thousands of miles apart from each other, but they have the same sorrow. (Postal items)

The envelopes are clean and white at home, they have stickers on their faces when they go out, and they travel through thousands of mountains and rivers to find relatives to talk to.

A stamp is not a big picture, with dense serrations on all sides. It visits thousands of households and travels all over the world.

There is a big green man in the mailbox, standing on the side of the road, and he can pass the news by swallowing it with his mouth.

The thermometer is like a small stream of ice that cannot melt when exposed to heat. Anyone with a high fever can definitely detect it. (Hygienic items)

Oxygen bottles are made of steel and do not contain water or wine. They are used for first aid in case of suffocation.

A sprayer and an air gun, filled with potion, whirred and killed mosquitoes and flies.

Medical microscopes don’t look at people, but look at bacteria. If you get sick, it will look for the cause.

The medicine box is a small square cabinet, containing injections and tablets. It accompanies the doctor on his visits. It is a mobile pharmacy.

The colorful stars fell to the bottom of the water, always with scheming looks, lurking quietly on the sand, and attacking at the first opportunity. (Aquatic animals)

Sea anemones can catch prey with their tentacles, open their teeth and dance their claws, and bloom like chrysanthemums to lure fish and shrimps to them.

The sea cucumber's body is covered with black pimples, and the crevices on the seabed are its home. When it encounters an enemy, it cleverly uses a cloning technique to grow new internal organs the next day.

The jellyfish has a transparent parachute, drifting in the sea with the current. Its tentacles are poisonous and sting, and the small shrimps on its body serve as eyes.

Sea clams are born next to rocks in the sea. Their bodies are as soft as steel. They have no head or heart, but they hide pearls in their bellies.

The crab has eight legs, a drum with its head raised, and two pairs of scissors dancing in front of the drum. It is born to be rampant and domineering, and often spits foam at the end.

The hermit crab looks like a small shrimp but not a shrimp, and looks like a small crab but not a crab. It carries a room on its back and shrinks its head when there is any movement.

The frog sits like a dog, but is not as tall as a dog. It has eyes but no eyebrows. It can swim, bark, crawl, and jump.

The snails are twisting and turning into a building. The girl has her hair combed into a bun and is walking out, half-covering her head with a fan.

The toad is not good-looking, with small bumps all over its body. It cannot be judged by its appearance. It will eat insects all its life to protect the banker.

The skin of the tree frog changes with the environment, and it calls out when it rains. It is small and exquisite and can climb high to attack pests on the branches.

Leeches often eat insects near paddy fields. They have a sucker on each head and tail. They rush to suck blood when they touch the skin. The more they pull, the deeper they burrow, but they are afraid of salt.

The loach has a slippery body and likes to get into the mud. It will reveal its tricks before the rain to help you measure the weather.

Corals are red and green but are not flowers. They have branches and leaves but are not trees. They are colorful and live in the water. They are originally animals under the sea.

The crocodile has sharp teeth, a big mouth, short legs and a long tail. It sheds tears when catching food. Everyone knows that it is fake and compassionate.

The eldest brother shines the lamp, and the second brother beats the drum. If he walks fast with the lamp, he can run with the drum.

(Two natural phenomena)

Thunder and lightning are brothers in the sky. They are not separated when they play in the clouds. The elder brother shouts loudly, and the younger brother shines golden light on the earth.

Thunder, Flash, and Star beat the golden drums, set off fireworks, and the garden was filled with thousands of pear blossoms. (Three natural phenomena)

Clouds, rain, and rainbows drive sheep away, silver threads are hung, and colorful bridges hang in the air.

Thunder, flash, rain, and wind. The eldest brother screams from the sky, the second brother shines the light, the third brother sheds tears, and the fourth brother runs around. (Four natural phenomena)

Rainbow, snow, ice, and snow beads are tied to the sky's belt, silver is spread across the sky, chopsticks are hung on the eaves, and beads are scattered on the windows.

The sky, stars, thunder, bluestone slabs, silver lamps, gongs, and shooting stars.

Hydrogen is a strange thing in nature. It is usually hidden in water, can make balloons fly into the sky, and can be used as fuel to provide heat. (Gas)

Oxygen. Human survival depends on me. I can support combustion in this world. Plant leaves are processing plants, and metabolism cannot use them up.

In the atmosphere of nitrogen, oxygen, carbon dioxide, and hydrogen, four brothers live together every day. Although they look very similar, each has his own weird temper: the eldest is a big fat man, occupying four-fifths of the body; It does not burn and can be used to make fertilizer, and all kinds of dealers like to eat it; the second one does not burn by itself, and is inseparable from the flame. Plants can make it, and animals will die without it; the third one not only does not burn, but is also a good material for extinguishing fires. Animals excrete it, and plants rely on it to grow well; Laosi is the smallest and lightest, and is a good material for burning fires. During festivals, it is used to inflate balls and carry slogans floating in the sky. (Names of the four gases)

They are all from this website. I thought the answer was copied, but I didn’t expect it. You can see for yourself:/