Precipitogen
[医] 沉淀原, 沉淀素原
🗣️ 情景例句
I've never seen you so wound up.
我从来没有看过你这么紧张。
Could you help me find my baggage?
请你帮我找我的行李好吗？
No, it's open. It closes at six.
不，还没关。六点才关门。