音标：[kə'tæstrəfɪz] ；

n. 灾祸( catastrophe的复数形式 ); 灾难; 不幸事件; 困难

n. an event resulting in great loss and misfortune
n. a state of extreme (usually irremediable) ruin and misfortune
n. a sudden violent change in the earth's surface

The Future of Food 食物的未来

We used to be a nation of farmers. But now it’s less than two percent of the population in the United States. And so, a lot of us don’t know what it takes to grow food. Over 12 thousand years ago

发表于:2018-12-07 / 阅读(62) / 评论(0)

其他文化

英语诗歌:Start Over 重新开始

Hi, welcome to Faith Radio Online-Simply to relax. Im Faith. One of my students asked me awhile ago what I was really good at. Half kidding, I responded, Starting over! The reason I was only HALF kidding is because I am very familiar with starting o

发表于:2019-01-02 / 阅读(71) / 评论(0)

英语诗歌

TED演讲:我们能够避免老化(4)

The therapies will be improving faster than 治疗法比起治疗法中存在的缺陷 the remaining imperfections in the therapies are catching up with us. 改进得更快。 This is a very important point for me to get across. 这是我想说的非常

发表于:2019-01-26 / 阅读(33) / 评论(0)

TED演讲科学篇

经济学人19:历史学家,学者托尼·朱蒂

Obituary;Tony Judt; 讣告;托尼朱蒂; Tony Judt, historian and intellectual, died on August 6th, aged 62; 历史学家、学者，托尼朱蒂于8月6日过世，享年62岁; Quizical, erudite and clear-sighted, Tony Judt never let matters rest. H

发表于:2019-01-26 / 阅读(48) / 评论(0)

经济学人人物系列

空客首席运营官谈航空产业的未来

空客首席运营官谈航空产业的未来 There's a reason that there are only two major manufacturers in the world today, Airbus and Boeing, building aircraft, 100 seats and above. It is difficult to do because you don't just need to get the air

发表于:2019-02-08 / 阅读(35) / 评论(0)

英语新闻

经济学人:全球面临债务危机中国为何能全身而退?

You can find bubbliness in bits of American finance, including the corporate-bond market, and some nasty off-balance-sheet liabilities like student loans and public-sector pensions, but America does not look like a source of imminent trouble. 你可以

发表于:2019-02-17 / 阅读(37) / 评论(0)

经济学人财经系列

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学英语单词

a sequence of

acyl protein

adiabatic wet-bulb temperature

adrenergic neuroeffector junction