Retractor
[ri'træktә]
解释:
(n.) One who, or that which, retracts.
(n.) In breech-loading firearms, a device for withdrawing a cartridge shell from the barrel.
(n.) An instrument for holding apart the edges of a wound during amputation.
(n.) A bandage to protect the soft parts from injury by the saw during amputation.
(n.) A muscle serving to draw in any organ or part. See Illust. under Phylactolaemata.
丹尼斯校对