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
Oh, by the way,
噢,顺便问一下
A bird is known by its note, and a man by his talk.
闻其歌知其鸟,听其言知其人。
They have nothing to sell and require nothing from others.