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
I've been in China to work on the new project.
我一直在中国搞一个新项目。
Please estimate your living costs for this month.
请估计一下你这月的生活费用。
The sea sparkled in the sunlight.
阳光下，大海波光粼粼。