Persulfate
[医] 过硫酸盐
✅ 同义词
🗣️ 情景例句
I don't know if I can get a good job in Los Angeles.
我不知道我能否在Los Angeles找到好工作。
I can't say for certain off-hand.
我还不能马上说定。
So their entry into this flat was apparently not the burglars' first job that day and they must have been disturbed.
很明显，闯进这套公寓的窃贼那天并不是首次作案，而且他一定受了惊吓。