Ball bearing
[化] 滚珠轴承; 球轴承
🧩 词语组成解析
ball
[bɔl]
n. 球;棒球（投手投出的）坏球;拇指球;舞会;
vt. 做成球状，使成团块;（指男性）和（女性）交媾（美式英语）;
vi. 呈球形，成团块;[美国俚语、口语]狂欢作乐，消遣;尽情作乐，尽情地玩;
🗣️ 情景例句
You've been a very helpful.
你帮了大忙。
Will anyone be able to fill her shoes now that she's left the company?
既然她已经离开了公司，有人能接替她的位置吗？
The policemen could not cope with the crowds.
警察无法对付群众。