Ballscrew
滚珠丝杠
🗣️ 情景例句
Here is our draft contract.
这是我们草拟的合同。
The Hilton hotel, please. I have a 10:30 appointment.
请到希尔顿旅馆，十点半我有一个约会。
Have you just been to the cinema?
你刚去过电影院吗？