Mechanical belt
[化] 传动带
🧩 词语组成解析
belt
[bɛlt]
n. 腰带;区域;传送带;带状物;
vt. 环绕，包围;用带做记号;用力打;绕着系上带子;
🗣️ 情景例句
We're happy you got the promotion.
很高兴你得到了提拔。
You'll have to decide whether you want to pass your examinations or just have a good time.
你必须决定你是想通过考试还是好好玩一玩。
What's Jim doing?
吉姆在干什么？