Mechanical friction resistance
[化] 机械摩擦阻力
🧩 词语组成解析
🗣️ 情景例句
Did everything go all right?
一切都顺利吧？
I prefer tea to coffee.
和咖啡相比，我更喜欢茶。
He's only forty-one years old, and he has already been to nearly every country in the world.
他只有41岁，但他却过世界上几乎每一个国家。