Annular ball bearing
[机] 环状滚珠轴
🧩 词语组成解析
annular
[['ænjulə]]
a. 环形的\\n[医] 环状的
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
Language is her strength, math is her weakness.
语言是她的强项，数学则是她的弱门。
I ask him to tell me the truth about everything.
我要求他告诉我每件事的事实。
Once the existence of this wave-length had been discovered,
一旦这种波长的实际存在被发现，