Trephining
[医] 环钻, 环锯
🗣️ 情景例句
What makes you work so hard?
什么使你这样卖命？
Other buyers are satisfied with it, but we could delay it if you could pay 40 percent up front.
其他买主对这货物很满意，但如果你能先付40%货款，我们可以延迟交运。
and the railway of the future may well be the 'hovertrain',
未来的火车或许能成为气垫火车，