Vacuum technique
[化] 真空技术
🧩 词语组成解析
🗣️ 情景例句
He ventured his life to rescue a drowning child.
他冒着生命危险去抢救一个溺水的孩子。
Check-in time is 8:45.
8点45分办理登机手续。
We must thank Mr. Hu. He kept asking us to remember TEAMWORK.
我们得感谢胡老师。他反复告诫我们记住配合。