Persulfide
[化] 过硫化物\\n[医] 过硫化物
🗣️ 情景例句
The book impressed a lot of people.
那本书在很多人心中留下深刻印象。
You have no goats, and yet you sell kids.
你虽无老山羊，却出卖小山羊。
The vicar has been asked to have the tree cut down, but so far he has refused.
人们曾请求教区的牧师叫人把树砍掉，但他直到现在也没有同意。