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251. dump倾倒 倾销
This chemical pollution has two sources: the factories, which dump polluted water directly into the river, and the local community, which dumps untreated human wastes into the river.
252. earn赚得 挣得 获得
Yuppies are young people who earn a lot of money and live in a style that is too expensive for most of people.
253. ease不费力 安适 自在
Have you heard about the plane crash yesterday? It caused 120 deaths. I’m never at ease when taking a flight.
Though we often hear about the air crashes and serious casualties, flying is still one of the safest ways to travel.
254. economic经济的 经济学的 经济学
For them, the economic benefit they reap surpasses the risk of dying or losing property in one of the volcano’s frequent eruptions.
255.edition版 版本
Hi, Louise, I’ve got a used copy of our chemistry textbook for half price.
I’m afraid you wasted your money, yours is the first edition, but we’re supposed to be using is the third edition.
256. electricity电
Benjamin Franklin’s Experiments with electricity and lightening led directly to the invention of the lightening rod.
257. electronic电子的 电子学 电子设备
I’m told Alice is trying to find a job in an electronic company.
As far as I know, she is good at anything but electronic.
258. elementary基本的 初级的 基础的 小学的
Youth in elementary school sites completed one version of the survey, while youth in junior high site completed a different version.
259. embarrassed尴尬的 窘迫的
Boys, for example, cry only about a quarter as oftener as girls when they reach the teenage years, and we all cried a lot less now than we did as babies, could it possibly be that we face less stress? Maybe we found other ways to deal with it, or maybe we just feel embarrassed.
260. emergency紧急情况 突然事件
A few months ago, millions of people in London heard alarms all over the town. The Emergency Services, the Fire Departments, the Police, hospitals and ambulances stood by, ready to go into action.
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