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trace element

US 
UK 
  • n.微量元素;稀有元素
  • Web痕量元素;微量养分;示踪元素
Plural Form:trace elements  
trace element
n.
1.
痕量元素a chemical substance that is found in very small amounts
2.
微量元素(生物,尤指植物,生长所需要的微量的化学物质)a chemical substance that living things, especially plants, need only in very small amounts to be able to grow well

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Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
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