Microdispersoid
微粒分散胶体
🗣️ 情景例句
First, they have an excellent School of Journalism.
首先 ，那儿有个很优秀的新闻研究所。
Try not to be so timid when you speak.
你讲话的时候不要那么紧张。
Fine.we're saving a lot of money with it.
不错，节省了不少的钱，