We all know that when we exert ourselves our heart rate increases.我们都知道太卖命了会导致心跳加速。This increases their air - resistance and reduces the shock of impact when they hit the ground.这样就加大了空气阻力,并减少了它们着地时冲击力带来的震动....unreasonab...
Stevens wrote him a note asking him to come to his apartment.史蒂文斯给他写了张便条，请他去自己的公寓。Stevens's murder was the result of a deep-seated and intense hatred.史蒂文斯遭谋杀源于深仇宿怨。Mr Stevens recently cele-brated his eightieth birth...
采用相转移催化剂,氯代环已烷与二硫化钠溶液反应合成了二环已基二 硫醚.Dicyclohexyl disulfide was prepared by reaction of chlorocyclohexane and sodium disulfide using phase transfer catalyst ( PTC ) .确定大蒜素的成分主要包含二烯丙基一硫醚, 二烯丙基二硫醚, 二烯丙基三硫醚等在内的多种含硫化合物.The eff...
This new evidence obviates the need for any further enquiries.这项新证据排除了继续调查的必要。The new road obviates the need to drive through the town.有了新路,车辆不必再穿行市区了....