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
What was your speciality?
你学的是什么专业？
I swear!
我发誓！
That's my mother's brother.
是我妈妈的哥哥。