1.focus on 集中于

If you focus the sun's rays on dry wood with a burning-glass, it will start burning.
如果你用取火鏡使太陽光線在聚焦在干木頭上，木頭就會燃燒起來=euRsVBY#!sF。

Our meeting focuses on the question of women's right.
我們會議的重點是婦女權利問題71ObqtquOOkB[Yz+mY。

2.air pollution 空氣污染

They devised proposals to deal with air pollution.
他們構想出處理空氣污染的方案2hu!7(.[(-g5。

Instead of high yield, however, they got water and air pollution.
然而，沒有得到高產量，卻造成了水污染和空氣污染x&=_g8J*muB6hKH([m。

3.wise up 使了解；告訴

You had better wise up, tell me where the money is.
你最好放聰明一點，告訴我錢放在哪里T9[l=-*)+M0R]zd]tmw。

It can seem a bit crazy that we humans don't wise up a bit earlier in life.
我們人類在生命早期并不明智，這聽起來有點瘋狂hjAgXEl[ChuMW%dP。