Concentr
abbr. concentrate 集中（的）, 浓缩（的）
🗣️ 情景例句
Oh, let's see. It'll be about 3:30 before we have anybody free.
哦，让我想想。大概要到3：30我们才有空。
We finally made it.
我们终于做到了！
Let's ask this policeman. He may know.
咱们问问这位警察。他可能知道。