Good words and sentences for ducklings to learn to swim

Good words and sentences for ducklings to learn to swim are as follows:

First, good words:

1, courage is commendable.

Interpretation: Very courageous and worthy of praise. But this word is a bit derogatory. Although it has courage, it is not necessarily correct.

Source: Modern Lu Xun's letter to Xu Shoushang: "However, this mosquito is not brave enough, but it is still commendable."

2, meticulous.

Interpretation: Even the smallest place is not sloppy, and the description is nuanced and not sloppy at all.

Source: Qing Wu Jingzi "The Scholars": "The boss visits; See uncle meticulous; The promotion is on the same day. "

Second, good sentences:

1, ducklings will go swimming when they are full, and ducklings will swim as soon as they are born. Don't look at it, but it can swim very fast as soon as it swims. "China! China "

2. A duck is on the shore, sticking out its long neck and drinking water in the pool; Two ducks are swimming happily in the pond. Look at it, its feet sway like a submarine.

Ecological role and behavior characteristics of ducks

1, ecological function:

Duck is not only an important member of aquatic ecosystem, but also plays an important role in ecological balance in many other aspects. First of all, they often feed in lakes and rivers and feed on aquatic plants, which helps to control the growth of aquatic plants and keep the water clean.

Secondly, ducks are also natural enemies of insects and invertebrates. By eating these little creatures, they control their numbers and maintain the balance of the food chain. In addition, ducks, as prey of other large carnivores, provide an important link in the food chain.

2, behavior characteristics:

Duck's social behavior and social behavior make it different from other animals in behavioral characteristics. Large flocks of ducks usually show teamwork. For example, they often form an orderly V-shaped queue to improve flight efficiency.

When courting, drakes will show and fight for the rights of their spouses. In addition, mother ducks show a high sense of responsibility when raising their cubs, and they will lead their cubs to find food and provide protection.