Persulphates
(persulphate 的复数) n.[化]过(二)硫酸盐
🗣️ 情景例句
And we brought someone along who can help.
而且我们带来了能帮助我们的人。
You're hopeless!
真拿你没辙！
Thanks, I'd like that.
谢谢，我非常乐意。