1.aim at 瞄準;針對;旨在
例句:I don't understand that girl's behavior. What's she aiming at?
我不明白那個女孩為什么那樣干, 她的目的是什么?
2.climate change 氣候變化
例句:Climate change is a universal problem.
氣候變化是個世界性的問題。
3.talk about 談論;討論
例句:He was disinclined to talk about himself, especially to his students.
他不喜歡談論他自己,尤其是當著他學生的面。
4.point out 指出;指明
例句:I should point out that these estimates cover just the hospital expenditures.
我應該指出,這些估算僅包括醫院的費用。