Alkality
碱性
🗣️ 情景例句
Mmm-hmm. Thanks.
嗯。谢谢。
First, I would like to express to all of you here our sincere welcome.
首先，我向在坐的诸位表示诚挚的欢迎。
They always tell you what a picture is 'about'.
总是告诉你一幅画的“意思”是什么。