pollution
过去式：
动词过去式: polluted
更多词形：
名词: polluter | 动词过去式: polluted | 动词过去分词: polluted | 动词现在分词: polluting | 动词第三人称单数: pollutes |
单词例句：
Long term problems with pollution has made Japanese scientists leading authorities on algal blooms.
长期的污染问题使日本科学家在研究海藻过剩方面居世界领先水平。
Air pollution is a global problem.
空气污染是全球性的问题。
Steps are to be taken to abate pollution.
应该采取措施减少污染。
Pollution has stripped the trees of their foliage.
污染剥光了这些树的叶子。
The key pollution indicators are ammonia nitrogen and BOD.
主要污染指标是氨氮和生化需氧量。
Exhaust gas has been incriminated in air pollution in cities.
废气已过视为城市空气污染的原因。
People are becoming increasingly worried about pollution.
人们对污染越来越感到忧虑。
Pollution is still very much a live issue.
污染现象仍然是当前的大问题。
The explosion at the chemical factory cause a major pollution scare.
化工厂发生爆炸引起了害怕污染的巨大恐慌。