Monosilicate
单硅酸盐
🗣️ 情景例句
One moment, please.
请等一下。
Friends are like fiddle-strings,they must not be screwed too tight.
朋友有如琴弦，不能上的太紧。
A young English writer made the pertinent observation a year or two back
一两年前，一位年轻的英国作家发表了中肯的看法。