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
It's so convenient.
一切都很方便
In the fall, the boys prune the trees.
在秋天,男孩们便修剪那些树木。
What a mess! There was pastry on my fingers, on the telephone, and on the doorknobs.