Read Edit View history 微量元素 wēiliàngyuánsù trace element Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 微量元素 wēiliàngyuánsù trace element expression · trace element (chemistry) 铁、锌和碘是人体必需的微量元素。 Edit Delete References Add reference No references for this word.
微量元素 wēiliàngyuánsù trace element expression · trace element (chemistry) 铁、锌和碘是人体必需的微量元素。 Edit Delete