Demonstrations
n. 证明( demonstration的复数形式 ); 表明; 表达; <非正>游行示威
🗣️ 情景例句
Mmm-hmm. Thanks.
嗯。谢谢。
We are anxious to know how long it will take you to deliver the goods.
我们急于知道贵方多长时间能交货。
The two boys are in the river now.
两个男孩现在在河里。