双语例句原声例句
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胡椒碱一种晶体固体，C17 H 19 NO3，自黑胡椒粉中提炼，用作香料和杀虫剂。
A crystalline solid, C17H19NO3, extracted from black pepper and used as flavoring and as an insecticide.
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晶体是一种有序的固体，和无序固体相反。
Crystal is an ordered solid, as opposed to a disordered solid.
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当一种熔化的金属和金属合金冷却成固体时，依赖于特定的合金成份将形成各种晶体结构。
When a molten metal or metallic alloy is cooled to a solid, a crystalline structure is formed that depends on the particular alloy composition.
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Crystal is an ordered solid, as opposed to a disordered solid.
晶体是一种有序的固体，和无序固体相反。
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