Clappet
[建] 止回阀
🗣️ 情景例句
I'm exhausted. I had to work until 2 o'clock this morning.
我累死了。我一直得干到今天早上2:00。
I'd like a refund.
我要想退款。
But exactly how does a newcomer to the stock market go about achieving that?
但是，一个股票市场的新手又如何能做到这一点呢？