Midco
四刃的一种钻头
🗣️ 情景例句
He's an extremist, and quite fanatical.
他是个极端分子，非常狂热。
Won't you come in, please?
请进来好吗？
No one could account for the fact that one of the boxes was extremely heavy.
其中有只箱子特别重，可谁也弄不清是怎么回事。