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
Hi, girls.
嗨 ,女孩们好。
I often have breakfast in the morning.
我常常在早上吃早餐。
and there is a very firm rule that the bank has no right or authority to pay out a customer's money on a cheque on which its customer's signature has been forged.