silica
silica[ˈsɪlɪkə]noun- [mass noun]a hard, unreactive, colourless compound which occurs as the mineral quartz and as a principal constituent of sandstone and other rocks
硅石
- Alternative name: silicon dioxide; chem. formula: SiO2
又名:二氧化硅; 化学分子式:SiO2
派生siliceous[-ˈlɪʃəs]adjective- (亦作silicious)
语源- early 19th cent.: from Latin silex, silic- 'flint', on the pattern of words such as alumina
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- norway [电影]挪威
- norwegian n.挪威人,挪威语
adj.挪威人的,挪威的,挪威语的
- nos abbr.numbers 数,net oil sand 网状油沙层,night operation sight 夜间行动视野,not on shelf 没在架子上
- nose n.鼻子,嗅觉,芳香,香气,突出的部分
vt.嗅出,闻出,用鼻子触,用鼻子品评(酒)等,探出
vi.小心探索着前进,探问
- noseband n.(牲口的)鼻羁
- nosebleed n.鼻出血,衄
- nosed adj.有…鼻子的
- nosegay n.<文>(手拿或戴在衣服上的)小花束,(尤指有香味的)花束
- noseglasses 夹鼻眼镜
- noseguard n.鼻卫,中卫(因与攻方中锋鼻对鼻而得名)
- noseless adj.无鼻子的,无喷嘴(或其他鼻状物)的
- nosepiece n.鼻甲,眼镜的鼻梁
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