Umbilicaric acid
[化] 石耳酸
🧩 词语组成解析
🗣️ 情景例句
When you start discussing politics, I'm completely out of my depth.
你们一谈论政治，我就一窍不通了。
Like father, like son.
有其父必有其子。
I get up at six o'clock.
我六点起床。