The nucleophiles include alkene, alkyne, alcohol, acid, amine, water, etc.亲核试剂包括烯烃 、 炔烃 、 醇 、 酸 、 胺 、 水等.The hydrocarbon must be an alkene.这个碳氢化合物必定是烯烃.A hydrocarbon was known to be either an alkene or alkane.某碳氢化合物已知可能是...
This display of lights sets horizon aglow at Trapper Creek.这显示的北极光处于地平线发红的在特雷普小湾.The trapper leads a solitary life in the mountains.那个设陷阱捕猎的人孤独地生活在山里。professional trapper职业夹兽者This display of northern lights sets the hori...
He admitted that he still feels unfulfilled as a footballer.他承认对自己作为足球运动员的表现还是不满意。I'm nearly 31 and that's getting on a bit for a footballer.我快31了,作为足球运动员也算是高龄了。As a footballer, Le Saux's ability was beyon...