资料来源 : pyDict

环钴

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Trephine \Tre*phine"\, v. t. [imp. & p. p. {Trephined}; p. pr. &
   vb. n. {Trephining}.]
   To perforate with a trephine; to trepan.