Concentrations
n. 集中( concentration的复数形式 ); 专心; 关注; 浓度
🗣️ 情景例句
That's really the limit.
真叫人忍无可忍。
Two wrongs don't make a right.
两个错误不能构成一个正确。
I had an amusing experience last year.
去年我有过一次有趣的经历。