例句：

　　His lettuces have gone to seed.

　　他種的萵苣已結籽。

　　Thee lettuces are growing.

　　萵苣在生長。

　　My lettuces have bolted.

　　我種的萵苣已經(jīng)結子了。

　　The lettuces certainly were very fine.

　　那些萵苣菜無疑是非常好。