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the act of producing or releasing something, especially gas or radiation, into the atmosphere or environment
排放, 释放
a substance or agent that makes something impure or harmful by contact or mixture
污染物, 有害物质
a poisonous substance, especially one produced by living organisms, that can cause harm or illness when introduced into a living organism
毒素, 有毒物质
any substance that is dirty, disgusting, or unpleasant
肮脏 (āng zāng), 污垢 (wū gòu)
any type of gas, particularly carbon dioxide, that contributes to global warming by trapping heat
温室气体, 绿房气体
a colorless, odorless, flammable which is the main component of natural gasgas
甲烷, 沼气
waste such as bottles, papers, etc. that people throw on a sidewalk, park, or other public place
垃圾, 废物
the accidental release of liquid petroleum hydrocarbons into the environment, typically in bodies of water, causing environmental damage and harm to wildlife
石油泄漏, 油污泄漏
a colorless gas emitted from burning sulfur-containing fuels, industrial activities, and volcanic eruptions
二氧化硫, 硫 dioxide
rain containing a great deal of acidic chemicals, caused by air pollution, which can harm the environment
酸雨, 酸性降水
the act or process of making a substance or place dirty or polluted, especially by dangerous substances
污染, 污染物
a harmful chemical compound containing chlorine, often produced as an industrial byproduct with adverse environmental and health effects
二恶英, 二氯苯醚
a piece of land under which waste material is buried
填埋场, 垃圾填埋场
a collection point or recycling container specifically designed for the deposit and recycling of glass bottles
瓶子回收站, 玻璃瓶收集点
the waste gases or air expelled from an engine, furnace, or other machinery
废气, 排气
the scattered pieces of waste, remains, or broken objects, often left after destruction or an accident
碎片, 残骸
a type of chemical substance that is used for killing insects or small animals that damage food or crops
农药, 杀虫剂
