Persulphates
(persulphate 的复数) n.[化]过(二)硫酸盐
🗣️ 情景例句
Oh, it's a quarter to four,
噢 ，差十五分就四点了，
If the blind lead the blind, both shall fall into the ditch.
问道于盲，无益于事。
It later became apparent that rabbits were developing a degree of resistance to this disease,
后来，明显看出，兔子对这种疾病已产生了一定程度的免疫力，