Perhydrit
[化] 过氧化氢合尿素\\n[医] 脲过氧化氢(商品名)
🗣️ 情景例句
Do you ever think about other people?
你从来就不考虑考虑别人吗？
How long has it been since you've heard from your uncle?
自从你听到叔叔的消息有多长时间了？
So what should you do? We'll assume that you have sorted out the basics --
那么你该怎么做呢？我们假定你已把基本情况弄清楚了，