Background : Henoch - Schonlein purpura nephritis ( HSPN ) is a common secondary glomerulonephritis in children.过敏性紫癜性肾炎 ( HSPN ),是儿童时期常见的继发性肾脏疾病.Thymic involution caused by child abuse might lead to secondary immunodefi...
More than five-thousand secondary school students have been expelled for cheating.5,000多名中学生因为作弊被开除。He had kidney cancer, with secondary tumours in the brain and lungs.他患有肾癌，还有脑部和肺部的继发性肿瘤。One in four pupils leaving secon...
Your camcorder should have these basic features: autofocus, playback facility, zoom lens.你的便携式摄像机应该具备以下基本功能：自动聚焦、回放功能、变焦镜头。I heard a playback of one of the tapes.我听到了其中一盘录音带的回放。A TV playback showed exactly what had happe...
There is good grassland here for your cattle and horses to graze on.这里有很好的草地供你们放牧牛马.An expanse of land suitable for livestock to wander and graze on.可以饲养牲畜的宽广开阔的地区.We used to graze on the fields where the com is now.过去我们...