Unit 2

UNIT 2 WORD LIST carbon Carbon is a chemical element. Carbon is found in coal. carbon dioxide Carbon dioxide is a gas made from one carbon atom and two oxygen atoms. There is carbon dioxide in the smoke from coal power plants. dust Dust is very small, dry particles of earth or sand. Some people wear medical face masks to avoid breathing in fine dust and germs. emit To emit is to send out gas, heat, light, sound, etc. This iron emits steam. enable To enable is to make it possible for something to happen. Studying hard will enable the girl to get a good job. grind To grind is to break something into small pieces or powder. We grind wheat to make flour. heal To heal is to become healthy or well again. This ointment will help heal your wounds. integrate To integrate is to make something a part of another larger thing. More women are being integrated into the military. leading When something is leading, it is the most advanced or best. Teresa is the leading expert on brain surgery for dogs. moreover Moreover is used to introduce information that adds to or supports what has previously been said. Marianne likes to walk to work to save money. moreover, it is good exercise.

碳是一种化学元素。 煤中含有碳。二氧化碳是一种由一个碳原子和两个氧原子组成的气体。 煤电厂的烟雾中含有二氧化碳。 灰尘是非常小的干燥的泥土或沙子颗粒。 有些人戴医用口罩是为了避免吸入细颗粒物和细菌。 发射就是发出气体、热、光、声音等。 这铁放出蒸汽。enable是指使某事发生成为可能。 努力学习将使这个女孩能找到一份好工作。 grind的意思是把某物磨成小块或粉末。 我们把小麦磨成面粉。 heal是指恢复健康或恢复健康。 这种药膏有助于治愈你的伤口。 积分就是把一个东西变成另一个更大的东西的一部分。 越来越多的妇女被纳入军队。 当某物是leading时，它是最先进的或最好的。 特蕾莎是狗的脑外科专家。 moreover用于引入补充或支持先前所说内容的信息。 玛丽安为了省钱喜欢走路去上班。 此外，它是很好的锻炼。

object To object is to feel or say that you oppose or disapprove of something. The students object to raising the tuition. pollutant A pollutant is a substance that makes the air or water not safe for use. A pollutant in the water killed this fish. powder Powder is a dry substance in the form of very small grains. Tumeric is a yellow powder used in cooking. prompt To prompt is to cause someone to do something. The tight deadline will prompt the employee to work very hard. reject To reject is to refuse to accept, believe in, or agree with something. I'm afraid the teacher will reject my new idea. skeptic A skeptic is a person who disagrees with particular claims that are generally thought to be true. Kevin is a skeptic because he never believes anyone or anything. substance A substance is a particular type of solid, liquid, or gas. Arsenic is a poisonous substance. substantially If something changes substantially it changes a lot. The price of the apartment went up substantially ton A ton is a unit for measuring weight equal to 2000 pounds or 907.2 kilograms. This dump truck can carry up to 25 tons transport Transport is the system or method of carrying passengers or goods from one place to another. Cargo ships are used for the transport of manufactured goods.

object是感觉或说你反对或不赞成某事。 学生们反对提高学费。 污染物是一种使空气或水不能安全使用的物质。 水中的污染物杀死了这条鱼。 粉末是一种干燥的物质，呈非常小的颗粒状。 姜黄粉是一种用于烹饪的黄色粉末。 prompt意为促使某人做某事。 紧迫的期限会促使员工努力工作。 reject是拒绝接受、相信或同意某事。 我担心老师会拒绝我的新想法。 skeptic怀疑论者是指不同意通常被认为是正确的特定主张的人。 凯文是个怀疑论者，因为他从不相信任何人或任何事。 物质是一种特殊类型的固体、液体或气体。 砷是一种有毒物质。 实质上，实质上如果某物改变了，它就改变了很多。 公寓价格大幅上涨。“吨”是衡量重量的单位，相当于2000磅（约907.2公斤）。 运输是将乘客或货物从一个地方运送到另一个地方的系统或方法。 货船是用来运输制成品的。

Enhanced Weathering Air pollution is not only a contributor to global warming but also to poor air quality. It can have negative effects on human health. Carbon dioxide is the leading pollutant, with billions of metric tons emitted annually by the burning of fossil fuels. Burning less fossil fuels is the obvious way to reduce carbon dioxide. Unfortunately, a tremendous number of people rely on fossil fuels for heating, electricity, and transport. This has prompted scientists to look for different approaches to reducing carbon dioxide. Weathering is when chemical compounds in the atmosphere react with chemical compounds on the planet's surface. The weathering of rocks refers to the chemical breakdown of rocks. This occurs when rain, which contains carbon from the atmosphere, comes in contact with rocks. The carbon is captured and embedded in the rocks. This is a natural process and can substantially remove carbon dioxide from the atmosphere. However, this process is extremely slow. Scientists have been studying ways to integrate this process. They have discovered a technique to speed up weathering. They call this enhanced weathering. Certain types of rock, such as olivine, are crushed into a fine powder. The powder is spread over a large land surface to be rained on. This process decreases the time of natural weathering by maximizing the rocks'exposure to carbon. There are skeptics, however. Some people are uncertain about the effects of enhanced weathering. Some even object to this approach. Rocks such as olivine may contain toxic substances that can contribute to polluting the planet. Also, grinding rocks produces dust. The dust can be harmful to human health. Moreover, the process of crushing and transporting rock may cause additional carbon emissions. Although more data needs to be collected, scientists have not completely rejected enhanced weathering. They are hopeful that it will enable the safe removal of atmospheric carbon dioxide. Scientists are working together to help improve air quality, combat global warming, and heal our planet.

大气污染不仅是全球变暖的原因之一，也是空气质量差的原因之一。 它会对人体健康产生负面影响。 二氧化碳是主要的污染物，每年燃烧化石燃料排放数十亿公吨。 减少化石燃料的燃烧是减少二氧化碳的明显方法。 不幸的是，很多人依靠化石燃料取暖、发电和运输。 这促使科学家们寻找减少二氧化碳的不同方法。 风化是指大气中的化合物与行星表面的化合物发生反应。 岩石的风化作用是指岩石的化学分解。 当含有大气中碳的雨水与岩石接触时，就会发生这种情况。 碳被捕获并嵌入岩石中。 这是一个自然过程，可以从大气中大量去除二氧化碳。 然而，这个过程非常缓慢。 科学家们一直在研究整合这一过程的方法。 他们发现了一种加速风化的技术。 他们称之为增强风化。 某些类型的岩石，如橄榄石，被碾碎成细粉。 粉末被撒在一大片地面上，然后降雨。 这个过程通过使岩石最大限度地暴露于碳中，减少了自然风化的时间。 然而，也有人持怀疑态度。 有些人不确定增强风化的影响。 有些人甚至反对这种做法。 橄榄石等岩石可能含有有毒物质，会污染地球。 此外，研磨岩石会产生灰尘。 灰尘对人体健康有害。 此外，破碎和运输岩石的过程可能会造成额外的碳排放。 虽然需要收集更多的数据，但科学家们并没有完全否定增强风化。 他们希望它能安全清除大气中的二氧化碳。 科学家们正在共同努力，帮助改善空气质量，对抗全球变暖，治愈我们的星球。