Ratcheting
棘轮效应, 齿合, 联轴节, 离合器
🗣️ 情景例句
Now that you're asked me, I think it's too short.
既然你问我了，我的想法是这部分太短了。
Are they all non-reserved seats?
他们全部不预订的吗？
Will you shut the door, please?
请你把门关上，好吗？