Concentre
vt.vi. 集于同一中心, 集中
✅ 同义词
🗣️ 情景例句
Did she mention when she would arrive?
她说过什么时候到吗？
Mary, this is Joe's brother David.
玛丽，这是乔的兄弟戴维。
I'm worried that something has happened to her.
我担心她出了什么意外。