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 type of gas, particularly carbon dioxide, that contributes to global warming by trapping heat

温室气体, 绿房气体
waste such as bottles, papers, etc. that people throw on a sidewalk, park, or other public place

垃圾, 废物
a colorless gas emitted from burning sulfur-containing fuels, industrial activities, and volcanic eruptions

二氧化硫, 硫 dioxide
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 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 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
IELTS普通词汇 (分数6-7) |
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