n.  援助；救援物资

n. 〔完成某事所需的〕帮助

v.  帮助，援助

v.  促进

• with/without the aid of sth 

  在…的帮助下/没有…的帮助

• in aid of sth  为了帮助〔某一慈善事业〕

• aid sb in/with (doing) sth  帮助某人做某事

• aid economic development  促进经济发展

• They can aid physics professors in their research work. 协助教授

• The findings shed light on normal age-related changes in mental function, which could aid in understanding the process of dementia (痴呆), according to the researchers. 帮助理解

• What’s this in aid of?

  这有什么用途？ 这样做是什么用意？

• I didn’t speak any French, but a nice man came to my aid. 我一点都不会说法语，不过一个好心人帮了我的忙。

BrE /eɪd/

NAmE /eɪd/