英文英文字典
英文英文字典
古腾堡计划中的在线英语-英语词典
结果
Trephine的结果
Trephine
(n.)
An instrument for trepanning, being an improvement on the
trepan. It is a circular or cylindrical saw, with a handle like that of
a gimlet, and a little sharp perforator called the center pin.
Trephine
(v. t.)
To perforate with a trephine; to trepan.