noun 下载 🔗分享 牵开器, 回缩器 One who, or that which, retracts. Examples : "The stubborn window wouldn't stay open, so I used a doorstop as a retractor to hold it back. " 这扇窗户太顽固，总是关上，所以我用门挡当牵开器，把它撑住。 medicine device 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 退壳器，抽壳器 In breech-loading firearms, a device for withdrawing a cartridge shell from the barrel. Examples : "The gunsmith used the retractor to remove the spent cartridge from the rifle's barrel. " 枪匠用退壳器将步枪枪膛里的废弹壳取了出来。 weapon device machine military technical part 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 回溯棋谜，撤步谜题 A chess puzzle in which a number of moves are retracted and the solver is challenged to reach an alternate outcome. Examples : "The chess retractor presented a tricky challenge; after several moves, the solver had to figure out how to reach a different, winning position. " 这个回溯棋谜极具挑战性；解题者在走了几步之后，必须想办法通过撤回棋步，达到另一种获胜的局面。 game entertainment 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 拉钩，牵开器。 A surgical instrument used to hold apart the edges of an incision or wound. Examples : "The surgeon used a retractor to keep the incision open, giving him a clear view of the tissue underneath. " 外科医生用拉钩/牵开器撑开切口，这样他就能清楚地看到下面的组织。 medicine device utensil 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 保护软组织免受手术锯损伤的绷带, 牵开器. A bandage to protect soft parts of the body from injury by a surgical saw. Examples : "The doctor used a retractor to protect the patient's delicate skin during the surgery. " 手术中，医生使用一种保护性绷带（牵开器）来保护病人娇嫩的皮肤，防止被手术锯误伤。 medicine device 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 缩肌，收缩肌。 A muscle serving to draw in any part. Examples : "The doctor carefully used a retractor to pull back the cheek and get a better view of the tooth. " 医生小心地用收缩器拉开病人的脸颊，以便更好地观察牙齿。 anatomy physiology medicine body organ 与AI对话词汇游戏阅读练习
