pollutant
UK
US
Paraphrase
分析词义
"Pollutant" 是名词,表示“污染物”。在环境科学中,这是指人类施加到环境中的任何物质,且这些物质会对人类、动植物或生态环境产生负面影响。
列举例句
词根分析
Pollutant 来自动词 "pollute",其词根 -lut- 来自拉丁语 "lutum",意为“泥”,引申为“弄脏”。其他从这个词根派生出来的单词有 pollution, polluter 等。
词缀分析
Pollutant 的词缀为 -ant,表明这是一个名词,表示与动词相应的人或事物。例如:assistant (助手), immigrant (**)。
发展历史和文化背景
这个词在19世纪的工业革命期间开始成为科学和公众讨论的话题,随着对环境破坏及其影响的认识日益加深,这个词的使用也越来越广泛。
单词变形
对于名词 "pollutant",其复数形式为 "pollutants"。
记忆辅助
可以将 "pollute" 与 "ant" 结合在一起形成一个图像记忆,比如想象一只“正在污染食物的蚂蚁”来帮助记忆。
小故事
There was an ant who accidentally became a pollutant. The ant had unknowingly carried harmful bacteria to a picnic food. People learned to keep food covered after that.(有一只蚂蚁偶然成了污染源。它不知不觉中把有害细菌带到了野餐的食物上。从那以后,人们学会了把食物盖起来。)
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