| 释义 |
trace element【化】 痕量元素 trace element trace element n.（名词）1. A chemical element required in minute quantities by an organism to maintain proper physical functioning.微量元素：生物体所需要的以维持正常的生理功能的少量化学元素2. A minute quantity or amount:微小的量或数目：“The trace elements of belief vanish when it becomes apparent that the . . . officer . . . never has suffered the indignity of combat”(&b{Lewis H. Lapham})“当一切清楚地表明那官员从未蒙受过斗争的侮辱时，仅有的一点信仰都消失了”(刘易斯H.拉伯姆) |