Viscometric
测定粘度的
🗣️ 情景例句
But Saturday's my birthday.
但星期六是我的生日。
A friend is never known till a man have need.
不到患难时，永远不能认识真正的朋友。
My wife always worries too much.Who's going to look after the dog?
我妻子总是担心那的。谁来照看狗啦，