Perchlorethylene
n. [化]全氯乙烯
🗣️ 情景例句
How about a date with your grandfather?
和你爷爷约个会好吗？
Know something of everything and everything of something.
既要有一般常识，又要有专业知识。
I'd like a cup of tea. What about something to eat?
我想来杯茶。吃点什么呢？