单词	spring gear
释义	spring gear 弹簧装置
随便看	sudden heavy rain sudden heavy rainstorm sudden huge profit sudden huge profits sudden hypermenorrhea sudden illness sudden improvement Suddenly a white rabbit ran past/ran by her suddenly become rich sudden impulse sudden incapacitation sudden incident sudden incident crisis sudden incidents among college students sudden incidents in eoUege sudden increase sudden inexpected death in infancy sudden infant death Sudden Infant Death Association sudden infant death syndrome sudden infant death syndromes sudden infant death syndromeSIDS sudden infant death syndrome, SIDS sudden inflight incapacitation sudden in flight incapacitation