5,wear away——消耗,磨损
-It's highly abrasive abrasive and quickly wear away the out wax layer protecting inside bodies
-over the years, rains have worn away the rocky mantle(地幔) of the continent
6,wear out——用坏,穿破,穿坏
-and rail road in railroading(铁道运输) doesn't wear out highway as tracks do
7,what if——做什么怎么样,表示建议
-There are some interesting shows shells on the beach today
What if we collect some after lunch?
8,what's this I hear about——是怎么回事
-What’s this I hear about you are appearing on the six o'clock news
Oh, that, some people were filming something on campus and I just happen to pass them in front of the camera
9,wind up——安排,处理,以...为结束
-That’s a long line, do you think there will be any tickets left
I doubt it; guess we'll wind up going to the second show
小编推荐：
