Tribometry
摩擦力测量术
🗣️ 情景例句
What's the best way to learn English?
学习英语最好的方法是什么？
I'm ashamed. I couldn't tell you my love.
我真的不好意思,爱你在心口难开呀。
Wei Hua's pen was broken, so she needed a new one.
魏华的钢笔坏了，所以她需要一支新笔。