1.focus on 集中于

If you focus the sun's rays on dry wood with a burning-glass, it will start burning.
如果你用取火镜使太阳光线在聚焦在干木头上，木头就会燃烧起来=euRsVBY#!sF。

Our meeting focuses on the question of women's right.
我们会议的重点是妇女权利问题71ObqtquOOkB[Yz+mY。

2.air pollution 空气污染

They devised proposals to deal with air pollution.
他们构想出处理空气污染的方案2hu!7(.[(-g5。

Instead of high yield, however, they got water and air pollution.
然而，没有得到高产量，却造成了水污染和空气污染x&=_g8J*muB6hKH([m。

3.wise up 使了解；告诉

You had better wise up, tell me where the money is.
你最好放聪明一点，告诉我钱放在哪里T9[l=-*)+M0R]zd]tmw。

It can seem a bit crazy that we humans don't wise up a bit earlier in life.
我们人类在生命早期并不明智，这听起来有点疯狂hjAgXEl[ChuMW%dP。