Cogging
[电] 镶齿效应
🗣️ 情景例句
Australia is a unique country.
澳大利亚是世上独一无二的国家。
Don't worry he wiil bring something.
不要担心他会带来什么。
First of all, don't come in here without a teacher.
首先，没有老师领着不要进这儿。