汉英词典
Chinese-English Dictionary
MEANING OF 微量元素
微量元素
trace element (chemistry)
生物体正常生理活动所必需但需求量很少的元素,如硼、砷、锰、铜、钴、钼等元素。
微 wēi 量 liàng/liáng 元 yuán 素 sù
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