Persulfide
[化] 过硫化物\\n[医] 过硫化物
🗣️ 情景例句
And have you had an engineer come in to do an inspection?
你们可有一个工程师来做过检查吗？
A burnt child dreads the fire.
一朝被蛇咬，十年怕井绳。
Excuse me.Where's the nearest bus stop, please?
请问，最近的公共汽车站在哪儿？