adj.有颌的；有颚的
动词jaw的过去式和过去分词形式.
The crocodile's jaws snapped shut. 鱼的嘴啪的一声合上了。
My jaw dropped when I saw how much the meal had cost. 我看到那顿饭要花这麽多钱真大吃一惊。
The shark snapped its jaws shut. 鲨鱼啪嗒一声把嘴合上了。
On hearing the news, his jaw dropped. 听到这个消息，他惊讶得张口结舌。
