focus /'f??k?s/ v. 集中于:

击收听音频跟读 ↓↓↓ ↓↓↓ ↓↓↓

例句/词组:

Each exercise focuses on a different grammar point.

每个练习各有不同的语法重点。

英语解释：

to give attention, effort, etc. to one particular subject, situation or person rather than another 集中于:

注：一词有多义，单词一次只记一种意思即可。