标准氢氧化钠溶液

Two Australians, Mack and Jill, are camping on Kangaroo Island. M: Look! There's a koala hugging a tree. They're really so cute. Jill, why are you crying? J: The government's planning on killing them

发表于:2018-12-08 / 阅读(249) / 评论(0) 分类 赖世雄中级美国英语

Farm Animals May Soon Get New Qualities With Gene-Editing This may seem impossible, but an American company is seeking to change farm animals by cutting or adding to their genes. By using a process called gene-editing, the company, Recombinetics, say

发表于:2018-12-10 / 阅读(43) / 评论(0) 分类 2018年VOA慢速英语(十一)月

SCOTT SIMON, HOST: We live in times of instant mass outrage. Someone does something, says something or is seen doing something, and they can be demonized with a click. The next time you might be tempted, think of this. In the fourth inning of Sunday'

发表于:2018-12-18 / 阅读(51) / 评论(0) 分类 2018年NPR美国国家公共电台7月

Sometime in the 1990s Jagdish Bhagwati, one of India's most distinguished economists, encountered Swaminathan Gurumurthy, 在20世纪90年代某时,印度最杰出的经济学家贾格迪什巴格沃蒂遭遇了斯瓦米那坦古穆绥 a financial

发表于:2018-12-29 / 阅读(58) / 评论(0) 分类 经济学人财经系列

Lesson 32 Music Can Motivate 音乐的激励作用 Words: catastrophe n. 异常的灾祸 catching adj. 传染性的;有感染力的 categorical adj. 无条件的,绝对的;明确的,直截了当的 categorize vt. 分类;标示。。。的特点;为。。。取名描述 category n. 种类,类目;范

发表于:2018-12-30 / 阅读(56) / 评论(0) 分类 胡敏托福词汇记单词

But when we had ascended to an elevation of about 250 feet, we were stopped by insurmountable obstacles. The converging inside walls changed into overhangs, and our climb into a circular stroll. 不过,到了二百英尺高左右,我们不能再上

发表于:2018-12-31 / 阅读(54) / 评论(0) 分类 《海底两万里》中英双语有声读物

On Rack 10 rows of next generation's chemical workers were being trained in the toleration of lead, caustic soda, tar, chlorine. 第十道架上一排排下一代的化学工人正在承受着铅毒、苛性苏打、沥青和氯气伤害的锻炼。

发表于:2019-01-01 / 阅读(84) / 评论(0) 分类 美丽新世界

As the sun beat down, something like 4,000 cubic kilometers of water evaporated from the Mediterranean surface every year. And with no Atlantic water to replenish it, the Mediterranean dried out. In j

发表于:2019-01-02 / 阅读(182) / 评论(0) 分类 欧洲自然写真

今天我们要学的词是double standard。Double standard, 双重标准。美国国会众议院议长佩洛西指责共和党人在医疗保健改革的辩论中使用双重标准, House Speaker Nancy Pelosi accused Republicans of having a double

发表于:2019-01-07 / 阅读(108) / 评论(0) 分类 英语单词荟萃

Donald Trump on Thursday reached the number of delegates needed to clinch the Republican nomination for president, completing an unlikely rise that has upended the political landscape and sets the stage for a bitter fall campaign. 本周四,唐纳德

发表于:2019-01-07 / 阅读(79) / 评论(0) 分类 阅读空间

This town here has sort of been going through clean-up. People are trying to salvage things from their houses, but the reality is when you talk to them, there's nothing they can salvage when has been touched by this red toxic chemical mix. People sho

发表于:2019-01-08 / 阅读(74) / 评论(0) 分类 CNN2010年(十)月

今天要学的一个词组是:double standard。 Double standard是指双重标准。美国连锁商店沃尔马允许在中国的分店组织工会,却不允许在美国的商店组织工会。媒体报导的标题说:Critics claim double sta

发表于:2019-01-11 / 阅读(156) / 评论(0) 分类 英语单词荟萃

Elementary - New Year Resolution (B0026) A: So, did I tell you about my New Years resolution?Ive decided to go on a diet. B: And youre going to completely transform your eating habits, right? A: Exactly! Im going to cut out all that junk I eat; no mo

发表于:2019-01-20 / 阅读(43) / 评论(0) 分类 纯正地道美语

Doubt in her eyes, she turned then to Frank. Ought I to shave it? she asked, tight-upped. Frank put out his hand, revolted. Oh, Mum, no! Surely not! If she gets a good douse of kerosene it ought to be enough. Please don't shave it! So Meggie was marc

发表于:2019-01-29 / 阅读(77) / 评论(0) 分类 荆棘鸟

尽管来人中大多数都是游民,但也不尽然,譬如,其中就有一个驾着老式的T型福特汽车而来的沃特金斯人。他什么都贩运。从马的涂抹剂到香皂;这种香皂和菲在洗衣的铜盆里用脂肪和苛性碱

发表于:2019-01-29 / 阅读(86) / 评论(0) 分类 荆棘鸟

They have been found living in boiling mud pots and lakes of caustic soda, deep inside rocks, at the bottom of the sea, 我们还发现细菌生活在沸腾的泥潭里和烧碱池里,岩石深处,大海底部, in hidden pools of icy water in t

发表于:2019-02-17 / 阅读(82) / 评论(0) 分类 万物简史

BEIJING, March 3 (Xinhua) -- China has released standard names and descriptions of the Diaoyu Island and its affiliated isles, according to sources with the State Oceanic Administration. The Diaoyu Island is named as Diaoyu Island, with its Chinese p

发表于:2019-02-18 / 阅读(95) / 评论(0) 分类 英语新闻

今天我们要学的词是gold standard。 Gold standard, 意思是同类事物的最高标准。 The iPhone is the gold standard in the smartphone market, iPhone是智能手机市场上最棒的产品。曾带领加州大学洛杉矶分校十次赢得

发表于:2019-02-18 / 阅读(168) / 评论(0) 分类 英语每日一词

今天我们要学的词是gold standard。 Gold standard, 意思是同类事物的最高标准。 The iPhone is the gold standard in the smartphone market, iPhone是智能手机市场上最棒的产品。曾带领加州大学洛杉矶分校十次赢得

发表于:2019-02-18 / 阅读(99) / 评论(0) 分类 英语单词荟萃

新GRE填空题通常都是信息量充足型的,也就是题目的信息恰好是可以选出题目空缺的信息(相对来说阅读是信息量过剩型,而类反是信息量缺乏型,数学则是信息量不对称型的。出题人挖掉的空

发表于:2019-03-11 / 阅读(137) / 评论(0) 分类 GRE英语
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