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BNC: 7498 COCA: 18989
assay
æs ˈæseɪ æˈseɪ əseɪ
Word forms: plural assays
N-COUNT (确定物质纯度的)检验,化验,分析 An assay is a test of a substance to find out what chemicals it contains. It is usually carried out to find out how pure a substance is. (确定物质纯度的)检验,化验,分析 [technical]
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BNC: 7498 COCA: 18989
BNC: 7498 COCA: 18989
BNC: 7498 COCA: 18989
assay
Chemical reactions and processes: action, adsorb, aerate...

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