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单词 无定形
释义 〔boron〕A soft, brown, amorphous or crystalline nonmetallic element, extracted chiefly from kernite and borax and used in flares, propellant mixtures, nuclear reactor control elements, abrasives, and hard metallic alloys. Atomic number 5; atomic weight 10.811; melting point 2,300°C; sublimation point 2,550°C; specific gravity (crystal) 2.34; valence 3. See table at element 硼:一种柔软、棕色、无定形或结晶的非金属元素,主要从四水硼砂和硼砂中提取,用于闪光剂、推进混合物、原子反应控制剂、磨砂和硬合金中。原子序数5;原子量10.811;熔点2,300°C;沸点2,550°C;比重(晶体)2.34;化合价3 参见 element〔fluid〕A continuous, amorphous substance whose molecules move freely past one another and that has the tendency to assume the shape of its container; a liquid or gas.流体:一种分子之间能自由移动并有随容器形状变化趋势的连续的、无定形的物质;液体或气体〔amorphous〕Lacking definite form; shapeless.See Synonyms at shapeless 无定形的:无确定形态的;无形状的 参见 shapeless〔blob〕A soft, amorphous mass.一柔软、无定形的块状物〔amorphism〕The state or quality of being amorphous.无定形性:无定形的状态或性质〔unformed〕Having no definite shape or structure; unorganized.See Synonyms at shapeless 未成形的;无定形的:没有一定的形状或结构;没组成的 参见 shapeless
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