Demonstrations
n. 证明( demonstration的复数形式 ); 表明; 表达; <非正>游行示威
🗣️ 情景例句
They concluded that the goods were of good quality and proved no problem.
他们断定货物质地优良，并证明没有任何问题。
The computer technician reads the paper tape.
电脑的技术人员在解读纸带。
I'm very well, thank you.And you?
很好，谢谢你。你好吗？