Not all cases of otitis external respond well to treatment.不是所有外耳炎的病例对治疗都有良好效应.The dangerous type chronic otitis media occurs with pars flaccida and marginal perforations.慢性中耳炎的危险型可出现鼓膜松弛部的穿孔和鼓膜边缘性穿孔.I think you are suff...
飞艇在海面打圈子.The airship circled at sea.必要时,飞艇能在那里停留数天以躲避危险。If necessary, the airship can stay up there for days to keep out of danger.飞艇在几秒钟里烧成灰烬.The airship was completely burnt in a few seconds....