钼硅酸络合物

Good morning Mrs. Hall. If none of your teeth are bothering you, I'll restore the tooth with the largest cavity. 霍尔太太,早安。 假如你的牙齿不让你难受的话, 那么我就把蛀的最厉害的牙补一补。 This is the tooth th

发表于:2018-12-03 / 阅读(107) / 评论(0) 分类 口腔临床英语对话

Grammar Girl here. Todays topic is the complex-compound sentence. Guest writer Sal Glynn writes: Most writers worth their fingertip calluses begin as avid readers. We read books, magazines, and websites indiscriminately until we start to notice the w

发表于:2018-12-07 / 阅读(124) / 评论(0) 分类 英语语法 Grammar Girl

[00:16.46]One Night [00:26.52]一天夜里 [00:35.11]My friend Cynthia and I [00:36.91]spent just about every weekend together. [00:40.35]Her parents were divorced [00:42.47]and she spent just about every weekend at her Dad's house. [00:46.96]He lived in

发表于:2018-12-11 / 阅读(65) / 评论(0) 分类 英语灵异故事

Unit 12 What's the best radio station? [00:05.38]SECTION A [00:08.33]1b Listen and match the statements with the movie theaters. [00:15.18]Write in the names of the theaters. [01:03.61]2a Listen to a reporter interview a boy. [01:09.46]How does the b

发表于:2018-12-13 / 阅读(220) / 评论(0) 分类 新目标初中英语八年级上

action ['kʃən] n.行动,动作,作用,活动 boast [bəust] n.v.吹牛 complete [kəm'pli:t] a.完全的,完成的;v.完成 dictate [dik'teit] v.听写,口授 existence [ig'zistəns] n.生存,存在 hatred ['heitrid] n.厌恶,憎恨,

发表于:2018-12-19 / 阅读(198) / 评论(0) 分类 TED演讲教育篇

When Pyrex(公司名) cookware first came out, it was advertised as the ice box to oven, because itwas made of borosilicate glass which could weather large temperature changes without undergoing thermo-shock and shattering. But today, Americans Pyrex

发表于:2018-12-24 / 阅读(69) / 评论(0) 分类 Scientific American(九)月

This is scientific American sixty seconds science. I'm Christopher Intagliata. Got a minute? When Pyrex cookware first came out, it was advertised as icebox to oven. Because it was made of borosilicate glass which could weather large temperature chan

发表于:2018-12-24 / 阅读(62) / 评论(0) 分类 Scientific American(九)月

[00:02.54]English Express [00:28.11]OAKA - The Athens Olympic Sports Complex [00:31.40]雅典奥运会场馆 [00:43.42]The Athens Olympic Sports Complex (OAKA) [00:47.09]is situated at Maroussi [00:48.97]and was the centre of the Olympic Games 2004.

发表于:2018-12-26 / 阅读(146) / 评论(0) 分类 轻松英语之旅

[00:00.00]4 Were the staff nice at the hotel? [00:05.50]Oh yesthey really went out of their way [00:07.50]to make us feel at home. [00:10.55]5OK,we'll drive to the restaurant [00:15.07]Do you know the way? [00:16.71]I'm not sure I remember ityou'd be

发表于:2019-01-10 / 阅读(209) / 评论(0) 分类 北师大版高中英语模块10(选修)

The Asian Cup football (soccer) tournament kicks off in Doha, Qatar, Friday, January 7, with defending champion Iraq to play North Korea, Iran and the United Arab Emiterates in Group-D play. Iraqi football fans are also looking forward to 2013, when

发表于:2019-01-14 / 阅读(121) / 评论(0) 分类 VOA标准英语2011年(一月)

A few months ago the fairy tale came true. 几个月前,童话故事成真了! We announced to the world that we know what these streaks are. It's liquid water. 我们向世界宣布,我们已经知道这些条纹是什么了。是液态水。

发表于:2019-01-18 / 阅读(89) / 评论(0) 分类 TED演讲科学篇

Cassini just a few months ago also flew through the plume, and it measured silicate particles. 卡西尼太空船几个月前又从这些飞溅的水流中穿过,它检测到了硅酸盐颗粒。 Where does the silica come from? 这些硅从哪来的

发表于:2019-01-18 / 阅读(103) / 评论(0) 分类 TED演讲科学篇

Science and Technology Plastics There and back again 科技 塑料 旧法新用 An old idea may help solve the problem of plastic waste 一个老方法也许可以帮助解决塑料垃圾的问题 PLASTICS were once regarded as wonder-materials. They

发表于:2019-01-26 / 阅读(92) / 评论(0) 分类 经济学人科技系列

By George Dwyer Washington 10 April 2008 On Friday, 11April, a major cultural and architectural event is set to take place in Washington: amassive new interactive museum complex dedicated to the profession of journalism will open its doors to the pub

发表于:2019-01-30 / 阅读(88) / 评论(0) 分类 VOA常速英语2008年(四月)

manganese n. 锰(元素符号为Mn) mantle composition 覆盖物的成分 Mercury n. 水星 molten v. 溶化;adj. 熔铸的 monitor n. 监视器,监控 mudflow n.[地] 泥流 Neptune n. [天]海王

发表于:2019-02-02 / 阅读(152) / 评论(0) 分类 英文语法词汇

Mariah Carey - Obsessed So Oh Oh So Ohhh Will the real MC please step to the mic? MC- You need an MC, place to be MC the MC All up in the blogs Say we met at the bar When I don't even know who you are Say we up in your house Sayin' I'm up in your car

发表于:2019-02-03 / 阅读(90) / 评论(0) 分类 好听的英文歌曲

BEIJING, Nov. 7 (Xinhuanet) -- A huge asteroid will pass closer to Earth than the moon on Tuesday, but experts say there is no cause for alarm. Asteroid 2005 YU 55 will pass about 300-thousand kilometers from the earth. The giant space rock is about

发表于:2019-02-08 / 阅读(94) / 评论(0) 分类 英语新闻

The U.S. space agency NASA's Mars probe Phoenix has detected icy snow falling through the Martian atmosphere. The spacecraft has also discovered material in the planet's soil that is leading scientists a step closer in their conclusion that life pro

发表于:2019-02-08 / 阅读(76) / 评论(0) 分类 VOA标准英语2008年(十月)

今天我们学一首俏皮可爱的英语歌曲。 I'm just a little bit caught in the middle 我只是有点不知所措 Life is a maze and love is a riddle 生活是一个迷宫,爱情是其中的一个谜 I don't know where to go, can't do it a

发表于:2019-02-12 / 阅读(89) / 评论(0) 分类 卡卡课堂早餐英语

最近上课老是迟到,究其原因无外乎做事情没有提前准备好。闹钟再怎么催,硬是要晚十五分钟才能去完成约定好的任务。 懒散惯了,对闹钟clock这个单词竟然有了很深的认识:对它的态度决

发表于:2019-02-21 / 阅读(96) / 评论(0) 分类 英文语法词汇
学英语单词