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
you're going to give me the answer to that question.
是要给我这个问题的答案。
Perseverance is failing nineteen times and succeeding the twentieth.
十九次失败，到第二十次获得成功，这就叫坚持。
As a result, the fish just eat and eat and grow and grow in the lovely warm water.
结果是，这些鱼就在可爱的温暖的水流中吃呀吃，长呀长。