Rackwork
齿条, 齿条加工, 齿条机构
🗣️ 情景例句
You really miss your family, don't you?
你非常惦念你的家人是吗？
There is much to be said on both sides.
公说公有理，婆说婆有理。
Generally speaking, newspapers follow the American way, but conference reports and schoolbooks use British spelling.
一般地说，报纸采用美国英语的拼法，但是会议报告和教科书都采用英国英语的拼法。