How to write a slogan for free watermelon on your birthday?

The slogan about eating free watermelon on your birthday can be written like this: Come and eat free watermelon on your birthday to make you twice as sweet. Because the birthday cake is very sweet, and the watermelon is also very sweet, so it is twice as sweet.

1. Watermelon, a plant of the genus Watermelon in the Cucurbitaceae family, is known as the "King of Summer".

2. Watermelon is an annual creeping vine with thick stems and branches, thicker tendrils, pubescence, thick petioles, densely pubescent, papery leaves, triangular-ovate outline, with white-green color. , the fruit is large, nearly spherical or oval, fleshy, juicy, with smooth skin.