Many PAHs are carcinogenic or are suspected to be carcinogenic.其主要来源于煤的不完全燃烧,也有相当部分来源于汽车尾气的排放.The both carcinogenic factors were investigated on its dose - response ralationships.研究上述两种致癌因子的剂量 - 效应相关模式.Some industrial ch...
They're resentful that outsiders presume to meddle in their affairs.他们对外人擅自干预他们的事务非常愤慨。At first I felt very resentful and angry about losing my job.起初我对丢掉工作感到非常怨恨和恼怒。He turned away in sullen, resentful silence.他闷闷不乐...
a white satin ribbon白色缎带The final stage of waxing left it with a satin sheen.最后上完蜡后，它看起来犹如缎子般光滑亮泽。Gold and green satin brocade drapes hung at the windows.窗上挂着金碧辉煌的缎子窗帘.Braves cotton fabric on white satin.勇士在白色缎棉织物.She ha...
Like most of Jupiter's moons, Amalthea rotates synchronously; its long axis is pointed toward Jupiter.像大多数的木星卫星, 木卫五同步自转, 它的长轴直指木星.The motor of this cargo winch rotates too quickly. It needs readjusting.这台起货机的马达旋转太快...