Caer
(Ca 的比较级) [医] 钙(20号元素); 阴极, 负极
🗣️ 情景例句
I'm a senior here, so let me know if I can help you with anything.
我是大四的老生，有什么能帮忙的尽管说一声。
How big?
多大？
Yes. It sounded like a train that was going under my house.
是的。这响声听起来像是一列火车在从我的房子下面驶过。