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单词 assay
释义

assay

verb
/əˈseɪ/
/əˈseɪ/
Verb Forms
present simple I / you / we / they assay
/əˈseɪ/
/əˈseɪ/
he / she / it assays
/əˈseɪz/
/əˈseɪz/
past simple assayed
/əˈseɪd/
/əˈseɪd/
past participle assayed
/əˈseɪd/
/əˈseɪd/
-ing form assaying
/əˈseɪɪŋ/
/əˈseɪɪŋ/
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  1. assay something to test a metal or chemical substance, often to see how pure it is

assay

noun
/əˈseɪ/
/əˈseɪ/
[countable, uncountable] (specialist)
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  1. the testing of metals and chemicals for quality, often to see how pure they are
    Word OriginMiddle English (in the general sense ‘testing, or a test of, the merit of someone or something’): from Old French assai (noun), assaier (verb), variant of essai ‘trial’, essayer ‘to try’ based on late Latin exagium ‘weighing’, from the base of exigere ‘ascertain, weigh’.
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更新时间：2025/1/9 21:37:22