Ball and roller bearing
[化] 滚珠-滚柱轴承
🧩 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;
and
[ənd, ən,ænd]
conj. 和，与;而且;于是，然后;因此;
🗣️ 情景例句
Leave me alone.
让我一个人呆会儿。
No reasonable person could refuse.
凡事明事理的人都不会拒绝此事。
Shops cater for the do-it-yourself craze not only by running special advisory services for novices, but by offering consumers bits and pieces which they can assemble at home.
为了满足自己动手热的需要，商店不仅为初学者提供专门的咨询服务，而且为顾客准备了各种零件，供他们买回家去安装。