He was a tall, thin fellow with a slight stoop.他是个瘦高个儿，有点驼背。They stood together on the stoop and rang the bell.他们一起站在门廊上按响了门铃。They will stoop to every low-down trick.他们什么卑劣的手段都使得出来。...
They stood together on the stoop and rang the bell.他们一起站在门廊上按响了门铃。They will stoop to every low-down trick.他们什么卑劣的手段都使得出来。I wish singing on the stoop didn't use up so much of a man's wind!我但愿弯着腰唱歌,不费这么大的气力才好.I r...
悬浮液是一种混合物,如果让它静置,它就会发生分离.Suspension - a mixture that will separate if left to stand.高浓度细胞悬浮液的制备是其生产的关键步骤.Preparation of high - concentration cell suspension is the most important step.乳胶: 几种天然或合成的胶态悬浮液.Latex : Any of sev...
黑药和镁的混合物具有离析的倾向.Mixture of black powder and magnesium have a tendency to segregate.1814年,他首次报道了关于镁的毒性问题.One of the first reports on toxicity of magnesium was recorded by him in 1814.在施用硝酸盐 、 硫酸盐和氯化物的情况下会加速钙和镁的损失.Losses o...