trepan
v
(-nn-) [Tn]
(medical 醫) = trephine. trepan, n
1 (medical 醫) early form of trephine (早期的)環鉆, 環鋸.
2 (engineering 工) bore for drilling a mine shaft 鉆井機.
?? 醫學釋義
環鉆
??? 情景例句
Well, I'm involved with an organization,
嗯 ,我參加一個組織
She's such a pain in the neck.
她是個如此討厭的人。
if there is any effect of noise upon mental health it must be so small that present methods of psychiatric diagnosis cannot find it.