克镭当量

[00:42.81]Lesson 1 1 Dialogue [00:48.46]Four doctors are at a medical conference. [00:53.32]A:Which speech are you going to listen to this afternoon? [00:58.36]B:I haven't decided.There's a talk on cancer that might be quite interesting, [01:05.23]so

发表于:2018-12-13 / 阅读(244) / 评论(0) 分类 高中英语人教版高三

[00:02.25]第一单元 居里夫人 [00:04.49]Lesson 1 [00:05.97]第一课 [00:07.44]1 Dialogue [00:09.21]1 对话 [00:10.97]Four doctors are at a medical conference. [00:13.34]四个医生在医学会议上 [00:15.70]A:Which speech are you going to

发表于:2018-12-13 / 阅读(260) / 评论(0) 分类 高中英语人教版2000年高三

[00:07.52] You probably know a famous saying about the importance of eating apples [00:14.58]It is,An apple a day keeps the doctor away. [00:19.83]Now,a new American study shows eating apples may help fight cancer,too. [00:28.16]Research scientists a

发表于:2018-12-26 / 阅读(176) / 评论(0) 分类 美国英语听力80篇

玛丽居里(Marie Skłodowska Curie,1867-1934年)世称居里夫人,全名:玛丽亚斯克沃多夫斯卡居里。 法国著名波兰裔科学家、物理学家、化学家。1867年11月7日生于华沙。 1903年,居里夫妇和贝克勒

发表于:2018-12-29 / 阅读(122) / 评论(0) 分类 英语名人堂

Marie Curie was born in 1867. She is one of the greatest scientists ever to have lived. She was a pioneer in the field of radioactivity and discovered the chemical elements radium and polonium. Curie is the only person ever to win two Nobel Prizes in

发表于:2019-01-01 / 阅读(209) / 评论(0) 分类 各国名人英文介绍

When they wheel you into the operating room, climate change is probably the last thing on your mind. But maybe it should be on your anesthesiologist's mind. Because the gases used to knock you out contribute to global warming. Researchers, including

发表于:2019-01-08 / 阅读(267) / 评论(0) 分类 Scientific American(十二)月

This is Scientific American 60 Second Science, I'm Steve Mursky, Got a minute? The average price for a gallon of gas in the U.S. today was nearly $3.78 per gallon. But why do we calculate fuel expenditure in dollars per gallon? Wouldnt a more realist

发表于:2019-01-08 / 阅读(204) / 评论(0) 分类 Scientific American(三)月

[00:39.99]1.Is it a good conference this year? [00:44.75]No,not as good as last year's. [00:50.81]2.Do you think speaker D will go to listen to a speech? [00:58.17]No,he's not going to any speech. [01:03.32]Instead,he's going out for a walk. [01:29.8

发表于:2019-01-10 / 阅读(278) / 评论(0) 分类 高中英语人教版高三

Today the U.S. government keeps an eye on health and safety in the workplace. But that wasn't always the case. Americans workers can thank a little-known factory worker for sparking the sweeping changes that now protect them on the job. Worker traged

发表于:2019-01-14 / 阅读(241) / 评论(0) 分类 VOA标准英语2011年(一月)

[0:0]entertain招待,款待 [0:11.2108]entertainment enthusiasm entitle entry娱乐,文娱节目 热情,热心 给...权利,给...资格 参赛的人 [1:7.0247]environment envy equality equation环境,周围状况 忌妒,羡慕 相等,相同 议程,等式 [1:59.5258]equivalent era erect err

发表于:2019-01-16 / 阅读(287) / 评论(0) 分类 闭着眼睛飘单词 四级词汇

MARY LOUISE KELLY, HOST: In the early days of the 20th century, radium factories in New Jersey and Illinois employed mostly women to paint watch faces and clock faces with luminous paint. The paint got everywhere - hair, hands, clothes. They were cal

发表于:2019-01-17 / 阅读(235) / 评论(0) 分类 2017年NPR美国国家公共电台4月

Instructions If a dog is a year old, that is the equivalent of 15 in human years (not seven as we always thought). 如果狗是1岁,相当于人的15岁(而不是我们平时知道的7岁)。 When a dog reaches the age of two, he is already approxi

发表于:2019-02-01 / 阅读(148) / 评论(0) 分类 实用英语

今天我们要学的词是equivalent。 Equivalent, 意思是相当于,等同于。《华盛顿邮报》报道说,9/11恐怖袭击事件以来, In Washington and the surrounding areas, 33 building complexes for top-secret intelligence work are

发表于:2019-02-03 / 阅读(172) / 评论(0) 分类 英语每日一词

今天我们要学的词是equivalent。 Equivalent, 意思是相当于,等同于。《华盛顿邮报》报道说,9/11恐怖袭击事件以来, In Washington and the surrounding areas, 33 building complexes for top-secret intelligence work are

发表于:2019-02-05 / 阅读(160) / 评论(0) 分类 英语单词荟萃

The Beijing Waterworks Group, the company responsible for tap water supply in the capital, says starting from next week, the data on tap water quality will be available on the company's website. Major indexes, including degrees of color, turbidity an

发表于:2019-02-14 / 阅读(239) / 评论(0) 分类 英闻天下

entitle vt.把…称作 entrance n.入口;进入;入场 entry n.入口处;登记;进入 envelope n.信封 environment n.环境,外界;围绕 environmental a.环境的,环境产生的 env

发表于:2019-02-17 / 阅读(365) / 评论(0) 分类 考研英语

Marie Curie was born in 1867. She is one of the greatest scientists ever to have lived. She was a pioneer in the field of radioactivity and discovered the chemical elements radium and polonium. Curie is the only person ever to win two Nobel Prizes in

发表于:2019-02-19 / 阅读(156) / 评论(0) 分类 世界名人简介

Steve: Hi, this is Steve. I'm going to talk about Japanese Onsen. Onsen is like a public bath, where men go, or women, in separate areas of course, and enjoy very hot baths. I like it very much because it's very relaxing and it's very healthy. They h

发表于:2019-02-24 / 阅读(144) / 评论(0) 分类 英语趣味课堂

2011年5月16日深夜,新浪微博用户、鼎晖创业投资合伙人王功权在其微博宣布私奔,为爱放弃一切。这条微博被瞬时间传播,国内各大网站、论坛社区等也开始热议此话题。 请看相关报道: T

发表于:2019-02-26 / 阅读(135) / 评论(0) 分类 英语口语

echo n.回音 vt.重复 I heard vague echoes of someone's footsteps. 我隐约听见有某人脚步的回音。 Our teacher echoed what the report stated. 我们老师把报告上写的东西重述一遍。 sweat vi.出汗 n.汗 I sweat a lot on hot

发表于:2019-03-17 / 阅读(394) / 评论(0) 分类 赖世雄进阶英语词汇3500