“pure substance”的概念、定义、翻译、参考文献-科学参考

单词	pure substance
释义	pure substance [`pyu̇r `sǝb·stǝns] ^CHEMISTRY A sample of matter, either an element or a compound, that consists of only one component with definite physical and chemical properties and a definite composition.
随便看	sedimentation unit sedimentation velocity sediment bulb sediment charge sediment concentration sediment corer sediment-delivery ratio sediment discharge sediment discharge rating sediment load sedimentography sedimentology sediment-production rate sediment station sediment-transport rate sediment trap sediment vein sediment yield sedoheptulose Seebeck coefficient Seebeck effect seed seed charge seed coat seed core

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