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单词
background air pollution
释义
background air pollution
美
英
un.
本底空气污染
网络
背景空气污染
英汉
网络释义
un.
1.
本底空气污染
1.
本底空气污染
... background activity level 本底[放射性]活度水平
background air pollution
本底空气污染
background area 本底区域 ...
www.mapeng.net
2.
背景空气污染
大气科学辞典... ... back-door cold front 逆向冷锋
background air pollution
背景空气污染
background concentration 背景浓度 ...
bbs.typhoon.gov.cn
例句
释义:
本底空气污染,背景空气污染
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更新时间：2026/7/19 2:30:40