Glidewheel
滑轮
🗣️ 情景例句
I certainly am. May I help you?
我是，我能帮您什么忙吗？
You'd have a better chance of catching the train if you took a bus to the station instead of walking.
如果你不是步行而是乘公共汽车的话，那你就比较有可能赶上火车。
It is called 'sick humour'.
它被叫作“病态幽默”。