A.peroxodisulfate
[化] 过二硫酸铵
🗣️ 情景例句
I promise I won't leave early.
我发誓我再也不会早走了。
How much does that typewriter weigh?
那台打字机重多少？
In that case, I'll have some set aside for you.
既然这么说，我会为你留一些下来。