Concn
abbr. concentration 集中; 集合; 专心; 浓缩
🗣️ 情景例句
Thanks, Richard.
谢谢 ，Richard。
Would you like to go for a walk?
你想要去散步吗？
Just now we all watched you sign to show that you had received the cheque.
刚才我们大家都观察到了你为表明已收到那张支票而签名。