Polythionic acid
[化] 连多硫酸
🧩 词语组成解析
🗣️ 情景例句
Then, in college, I became good at it.
然后， 在大学， 我变得很精于数学。
The proof of the pudding is in the eating.
空谈不如实验。（实践出真知）
Please don't touch the machines.
请不要摸这些机器。