Tribophysics
n. 摩擦物理学
🗣️ 情景例句
How do you spell it?
如何拼写？
We feel product quality is high indeed.
我们认为产品的质量的确很高。
Then they had a second child-a son. How happy they were!
后来他们有了第2个孩子一个儿子。他们多么高兴啊！