By Yuna Wu

中文版

In Mr.Cheng's presentation, he talked about the different types of environment, water pollution, and wastewater.

There are three types of environment: natural environment, human environment, and human-made environment. The first kind of environment is the natural environment. What is the natural environment? The natural environment is natural, not created by people. For example: sunlight, air, water, soil, land, minerals, forests, wild animals. These are all natural, not created by man. The second kind of environment is human-made environment. What is the human-made environment? The human-made environment is created by man. For example, the current laws, buildings, cities, playgrounds, and so on. These are all so-called human-made environments, created by people. The third kind of environment is the human environment. What is the human environment? The human environment is created by people, just like the human-made environment. But the human environment is the monuments, historic sites, and cultures of human beings. This is the human environment, the relics of early human culture.

The environment has now been destroyed by human beings. The human environment will create water pollution and wastewater. Water pollution is one of the things that we have polluted. So what is water pollution? Water pollution is the change of water quality due to the intervention of material, biological, or energy, which affects its normal use or endangers people's health and living environment. Pollution refers to any substance, organism, or energy that can cause water pollution. Water pollution will make the environment get bad, and is not good for people too. Because water pollution will let water be bad. If the water that we drink is bad, it will affect our health.

Wastewater refers to water that contains pollutants generated outside of the business, such as domestic sewage generated by people in their daily lives. Wastewater refers to water containing pollutants generated during manufacturing, operations, natural resource development, or in the operating environment, such as industrial wastewater and agricultural wastewater. Every time we discharge wastewater into the ocean is harmful to the ocean and bad for human beings. Because if we discharge wastewater into the ocean, then the fish will be infected by wastewater, and they will be sick. And then we beings fish from the ocean to sell to others to eat, and then human beings eat the fish infected by the wastewater will get sick. So this is bad for the environment and human beings.

If we do not treat the environment properly and let water pollution everywhere, it is not good for the environment, human beings, and animals. We should protect the environment and do good things for nature according to our ability. For example, use less plastic, save paper, etc. Nature is good so that people can live in a good environment.

在鄭先生的演講中，他談到了不同種類的環境，水污染和廢水。

環境分為三種：自然的環境、人文的環境，和人為的環境。第一種環境：自然環境。什麼是自然環境呢？自然的環境就是自然的，不是人們創造出來的。比如：陽光、空氣、水、土壤、陸地、礦產、森林、野生動物。這些都是自然的，不是人創造出來。第二種環境：人為環境。什麼是人為環境呢？人為的環境就是人創造出來的。比如現在的法律，建築室內，城市，遊樂場等等。這些都是所謂的人為環境，由人創造出來的。第三種環境：人文環境。什麼是人文環境呢？人文環境跟人為環境一樣是由人創造的。不過人文環境是人類的古蹟，遺址和文化。這就是人文環境，早期的人類文化遺跡。

環境現在已經被人類破壞了。水污染就是被我們人類污染的其中一項。那麼什麼是水污染呢？水污染就是水因物質、生物或能量之介入，而變更品質，致影響其正常用途或危害國民健康及生活環境。其中的污染是指任何能導致水污染的物質、生物或能量。水污染會讓環境變壞，對人類來講也不會是好的。因為水污染會讓水變不好。如果我們喝的水是不好的，我們的健康會受到影響。

废水指的是含有企业外产生的污染物的水，如人们在日常生活中产生的生活污水，如大家日常生活中所產生的生活污水。廢水指的是事業於製造、操作、自然資源開發過程中或作業環境所產生含有污染物之水，如工業廢水及農業廢水。我們把廢水排放進海洋的這種作法不僅對海洋有害，對人類也有害。因為我們把廢水排進海洋，然後海洋裡的魚兒就會因為我們把廢水排進海洋而被廢水感染，它們就會生病。人們再把被廢水感染而生病的魚兒釣上岸，然後拿去賣。在魚市場買魚回來的人再把買回來的魚煮來吃，而他們買回來吃的魚是被廢水感染的魚，吃了之後就容易生病。所以將廢水排進海洋這個作法不僅對環境有害，對人類也有害。

我們上面所看到的環境特別是自然環境，如果我們不好好對待環境讓水污染到處都有的話，不管是對環境，人類，動物都是不好的。所以我們應該要好好保護環境，依自己的能力去做對大自然好的事情。比如少用塑膠，節約用紙等等。大自然好，人類才能在好的環境下生活。

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