搜尋結果
air pollution
- the presence in or introduction into the air of a substance which has harmful or poisonous effects
noun: air pollution
- 釋義
名詞
- 1. the presence in or introduction into the air of a substance which has harmful or poisonous effects diesel exhaust and other forms of air pollution
- 更多解釋
- the presence in or introduction into the air of a substance which has harmful or poisonous effects: diesel exhaust and other forms of air pollution
Oxford American Dictionary