Cogged v-belt
[化] 齿形三角带
🧩 词语组成解析
a. 有齿轮的
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
What about Michelle's school?
那Michelle的学校怎么办？
That was clever the way you worked out your problem.
那是解决你的问题的好办法。
when a significant number of people are living permanently in space.
如果有相当数量的人永久性地住在太空，