Any heteronuclear diatomic molecule must have a dipole moment since its two ends are different.任何异核双原子分子必然具有偶极矩,因为它的两端是不同的.Figure 14.5 and 14.6 show this division for a homonuclear and a heteronuclear diatomic molecule.图...
At last dancing had become more than an extra and entertaining frill.舞蹈也终于不再是供消遣娱乐的附加装饰.She sewed a frill on the bottom of her skirt.她在裙摆下缝了条褶边.He pulled out his frill as far as his navel.他把他的皱边一直拉到肚脐上....
我和姐姐的确在半夜大吃了一顿。Well we did have a midnight feast, me and my sister.大吃特吃了一通冰激凌之后她上了楼。After pigging herself on ice cream she went upstairs.他敞开胃口大吃，却只喝啤酒。He ate heartily but would drink only beer....
In Italy people hardly ever cohabit.在意大利，很少有人未婚同居。The house mouse can cohabit with man and adapts very well to urbanization.家鼠可以和人一起生活,而且适应都市化适应得非常好.Tony was madly clung to the indifferent dressing Billie and then they c...
Coughs and sneezes spread infections much faster in a warm atmos-phere.在温暖的环境中，咳嗽和喷嚏传播疾病的速度要快得多。We try and provide a very homely atmos-phere.我们试图营造一种非常舒适放松的气氛。Atmos has them in stock now.大气现在有他们在库存....