Perthiocarbonate
过硫碳酸盐
🗣️ 情景例句
and I've been trying to find just the right thing for her.
而我一直在为她找件合适的东西。
Nothing is impossible (or difficult) to the man who will try.
天下无难事，只怕不努力。
Of course! What do you want me to do?
当然！你要我做点什么？