Persulfide
[化] 过硫化物\\n[医] 过硫化物
🗣️ 情景例句
When you have nothing to do, time goes slowly.
你没事做时，时间便过得很慢。
It's out of the question.
这是不可能的。
begging response from those around them.
询问周围人的反应。