Serrated belt
[化] 齿形三角带
🧩 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
How many classes are you taking this semester?
这学期你有多少课？
Jadge not a book by its cover.
人不可貌相。
What are your plans for the weekend?
你周末计划做什么？