?轻度污染
... 生乳动物 milch animal 轻度污染 mild contamination 同位素产生器 miler， isotope ...
轻度污染
But the process has also raised fears of ground water contamination and is suspected of causing mild earthquakes.
CNN: Vermont first state to ban fracking
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。