An axial vector may itself enter into a vector product.轴矢量自身可参与矢积.Those that are aligned perpendicular to the plane are called axial hydrogens.与平面垂直定向的氢叫做直立氢.Objective To analyze the treatment effect of brain diffusive a...
Roy swung his legs carefully off the couch and sat up.罗伊小心地把腿挪下沙发，坐了起来。We were sitting on the couch in the living room watching TV.我们就坐在客厅的沙发上看电视。She slipped out of the jacket and tossed it on the couch.她麻利地脱下夹克，扔在了沙发上。...