Gougebit
套式扩孔钻头, 空心钻头, 槽钻头
🗣️ 情景例句
When do you think we'll be through?
你认为我们什么时候能完毕？
Know something like the palm of one's hand.
熟知其事，了如指掌。
I think our manager will persuade the government to let him build a new factory.
我想经理会说服政府让他建新厂的。