Persulfacte
[化] 过硫酸盐; 过二硫酸盐
🗣️ 情景例句
Some people seem too think its for practicing grammar rules and learning lists of words.
一些人认为它是用来操练语法规则和学习一大堆单词。
Give me someone who can speak English.
找一位能讲英语的人来。
Is this your handbag?
这是您的手提包吗？