Bromo-propionic acid
[化] β-溴丙酸
🧩 词语组成解析
[机] 溴代, 溴基
[医]丙酸的
🗣️ 情景例句
We can write letters. It's cheaper than calling.
我们可以写信就好，那比打电话便宜。
Well, it's too bad that you have to go.
哦，真遗憾，你一定要走。
Hello, Ann!
你好，安！