西瓜的英文单词怎么写怎么写

例句：

This kind of watermelon is remarkable for its size.

这种西瓜个头儿大。

These are the dog days; watermelons are just in season.

现在是伏天，西瓜正当令。

A watermelon is red inside and green outside.

西瓜内红外绿。

The pulp of this watermelon is too spongy.

这西瓜瓤儿太肉了。