词语trace element
解释痕量元素
词性名词
trace element〔名词〕痕量元素,微量元素详细»
trace element〔名词〕示踪元素详细»
trace element〔名词〕痕迹元素,痕量元素详细»
trace element〔名词〕微量元素详细»
trace element痕量元素详细»
痕量元素guest element;trace element详细»
痕量元素trace element详细»