thin-as-a-rail

单词thin-as-a-rail

例句

• Heidi needs to eat. Look at her; she"s thin as a rail .

  海蒂需要多吃点东西。你看她，骨瘦如柴似的。

• He" s as thin as a rail!

  他瘦得就象根铁条呢！

• He is as thin as a rail.

  他瘦的象竹竿。