The offenders lapsed into a sullen silence...那些冒犯者都闷不作声了。I was served by a sullen-faced youth.一个闷闷不乐的年轻人接待了我。Bob looked pale and sullen.鲍勃脸色苍白，闷闷不乐。He looked up at the sullen sky.他抬头看了一眼阴沉的天空。All my attempts to amuse the...
He turned away in sullen, resentful silence.他闷闷不乐、心怀怨恨、一言不发地转过身去了。The offenders lapsed into a sullen silence.那些冒犯者都闷不作声了。Bob looked pale and sullen.鲍勃脸色苍白，闷闷不乐。...
石蕊: 从几种地衣类植物中获取的带色有机化合物的混合物.Litmus: Mixture of coloured organic compounds obtained from several species of lichens.地衣类植物生长速度慢,有好几年的寿命.其生长依赖于霉菌和海藻的共生.Lichens, which grow slowly and live for many years, result from fungi a...
目的了解产妇产褥初期(产后2周)低钾血症发生率 、 临床特点及观察方法.Objective To observe hypokalemia and study its incidence, clinical features at primitive puerperium.多巴酚丁胺组心衰发生率更高,而左西孟旦组房颤, 低钾血症和头痛的发生率更高.There were higher incidences of atrial fibrill...