?未污染的空气
... 噪音污染的后果 Effects of Noise Pollution 未污染的空气 uncontaminated air 汽油污染的水 water contaminated with petrol ...
?未污染空气
... uncontaminated soil 未污染土壤,洁净土,... uncontaminated water 未受沾污水 uncontaminated air 未污染空气 ...
空气洁净技术
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。