Rackwork
齿条, 齿条加工, 齿条机构
🗣️ 情景例句
He strikes the table angrily.
他气得大拍桌子。
She gaped in surprise when Robert arrived.
当罗伯特来的时候，她吃惊得长大嘴巴呆住了。
My false teeth are stuck to it.
我的假牙还在上边呢！