a place, person, or thing from which something comes or can be obtained
来源
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mackerel is a good source of fish oil. 鲭是一种很好的鱼油来源。
a spring or fountain head from which a river or stream issues
(河流或小溪的)源头
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the source of the Nile .尼罗河的源头。
a person who provides information
提供信息的人
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military sources announced a reduction in strategic nuclear weapons. 军方消息人士宣布减少战略核武器。
a book or document used to provide evidence in research
出处,原始资料。
〈技〉 源。<Bold>SINK</Bold><Superscript>2</Superscript> 的反义词。
【电子】 源极;电源。
obtain from a particular source
从特定来源获得
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each type of coffee is sourced from one country .每一种咖啡都来自某一个国家。
find out where (something) can be obtained
找出… 的来源
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she was called upon to source a supply of carpet. 她被要求寻找地毯供应的来源。
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at source at the point of origin or issue 在源头reduction of pollution at source. 在源头上减少污染 -
used to show that a sum is deducted from earnings or other payments before they are made (从工资或其他付款中)直接扣除
your pension contribution will be deducted at source. 你的养老金部分将被直接扣除
"late Middle English: from Old French