After a few minutes the result ; a solid piece of fibreboard, flexible, waterproof.几分钟后一张结实的 纤维板 制成了.不但防水, 还具有弹性.Take waterproof clothing — Orkney weather is unpredictable.带上防水的衣服吧——奥克尼的天气可是变幻莫测的。My windbreaker was water...
Both housings are waterproof to a depth of two metres.两个机罩的防水深度均为两米。His waterproof trousers were brand new and stiff.他那条防水裤崭新笔挺。It is completely waterproof, yet light and comfortable.它防水性能非常好，但却轻巧舒适。...
Gossamer is floating in calm air.空中飘浮着游丝.a gossamer justification站不住脚的辩解The Gossamer Conder, a human - powered airplane, flew into aviation history on Aug. 23,1977.1977年8月23日, “飘忽秃鹰”式人力飞机载入了航空史册.A lover may bestride the ...
Plus mannitol to reduce its accumulated in the tubular cells.加用甘露醇可减少其在肾小管中积聚.The physical and chemical property, applications and synthesis processes of mannitol were reviewed.介绍了甘露醇的性质和用途,几种制备甘露醇的原理、工艺条件及研究进展.Mannitol ...