例句：

　　This kind of watermelon is remarkable for its size.

　　這種西瓜個頭兒大。

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

　　現(xiàn)在是伏天，西瓜正當令。

　　A watermelon is red inside and green outside.

　　西瓜內紅外綠。

　　The pulp of this watermelon is too spongy.

　　這西瓜瓤兒太肉了。