Gnawer
n. 咬的人, 腐食物, 臼齒動物
??? 情景例句
Uh, it's four-thirty. Oh my!
啊 ，已經(jīng)四點(diǎn)半了。啊 ，天啦！
Don't be offended by his haste, he is a very busy man.
別為他的輕率介意，他是個大忙人。
Yes, It was a real pity!
可不是，太可惜了。