trepan
v
(-nn-) [Tn]
(medical 医) = trephine. trepan, n
1 (medical 医) early form of trephine (早期的)环钻, 环锯.
2 (engineering 工) bore for drilling a mine shaft 钻井机.
🏥 医学释义
环钻
🗣️ 情景例句
No, no, you were right. I was wrong.
确实不容易 说对了。我错了。
Britain is behind Japan in developing modern technology.