trace amount中文什么意思

微量

• trace:    n. (马车等的)挽绳，挽车的皮带； ...
• amount:    vi. 1.总计，共计，合计 (to ...
• a trace:    a扫迹; a扫描轨迹; 踪迹

例句与用法

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1. Certain other elements are needed in trace amounts for cell metabolism .
   细胞的新陈代谢还需某些其它的微量元素。
2. Even foods that are eaten freshly, we now know, can contain chemicals in trace amounts that could, in large amounts, be dangerous .
   我们现在知道，连我们吃的新鲜食品也含有微量的化学药剂，含量一大，就可能有危险。
3. Measurement of trace amount phosphorus in potable water
   饮用水中痕量磷的检测
4. Edgar : there were trace amounts found in the animals ' blood
   在动物的尸体里发现痕量
5. Determination of the trace amount of cadmium in edible oil
   食用油中痕量镉含量的测定