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
I've got extra time on my hands.
我有过多空闲时间。
It is good to be merry at meal.
席间心情愉快是为上策。
Then for a period of several weeks we practise doing the play.