Tribophysics
n. 摩擦物理学
🗣️ 情景例句
I need a new toothbrush. My old one's worn out.
我需要一支新牙刷。旧的用坏了。
Hello. Is Marie Ward there, please?
喂，请问玛丽沃德在吗？
He quickly became the leader.
他很快就成了领袖。