Ballscrew
滚珠丝杠
🗣️ 情景例句
What's this?
这是什么？
The waiter serves only the best food, of course.
当然，侍者只端来最佳的膳食。
There are countless people who, ever since their early years, have learned to associate snails with food.
有不计其数的人们从小就知道蜗牛可做菜。