A ball bearing
滚珠轴承
🧩 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
Maybe you could come to visit me in Greece?
也许你可以到希腊来看我？
It will take me several hours if I really look at everything.
如果全部参观的话，那得需要好几个小时。
Your prices seem a little high.
你们的价钱高了一些。