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 stamps do I need?
我需要多少邮票？
Eat to live, but not live to eat.
吃饭是为了生存，但生存不是为了吃饭。
Congratulations! your bid has won.
恭喜！你得标了。