-
The environmental pollution caused by cadmium, a heavy metal toxic element, has aroused geologists' attention.
镉是重金属有毒元素,其环境污染一直是众多学者研究的焦点。
youdao
-
The environmental pollution caused by cadmium, a heavy metal toxic element, has aroused geologists' attention.
镉是重金属有毒元素,其环境污染一直是众多学者研究的焦点。
youdao