Persulphate
n. [化]过(二)硫酸盐
✅ 同义词
🗣️ 情景例句
Maybe he can do the same thing for your grandfather.
也许他能为你爷爷做同样的事。
It's about time.
时间差不多了。
I'd like to do some shopping, but not during the day.
我愿意买些东西，但不必白天去。