单词：precursor effect
单词：precursor effect 相关文章
Shanghai's two largest cab companies are starting to offer a free, instant taxi-booking app through smartphones' global positioning service. The app transmits a caller's position and send back the taxi's position and possible arrival time to the cell
英闻天下
[00:14.15]Roofer [00:19.31]房顶工人 [00:31.61]I worked in the basement of a Caltech campus building [00:35.17]that had been periodically haunted [00:37.88]by the specter of the upper half of a roofer [00:41.07]who had fallen from the six story roof [
英语灵异故事
By Nancy Steinbach Broadcast: November 19, 2003 This is Phoebe Zimmermann with the VOA Special English Health Report. When scientists want to test the effectiveness of a new drug, they usually divide
VOA2003（下）-环境与健康
Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到 听力原文收集区 ，您将会获得10到30积分的奖励! Thank you！
单词解析速记
Want to ward off memory issues and other cognitive problems as you age? Looks like low blood glucose levels are an important factor. New research finds that individuals diagnosed with type 2 diabetes in middle age had greater cognitive impairment in
英伦广角
GRE作文用别人的资料为自己省点力气，但是容易露出马脚。GRE频道为大家带来GRE写作怎么用模板才能不被发现，希望对大家GRE备考有所帮助. 其实雷同这个问题在GRE作文里面真的是特别特别的敏
GRE英语
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Weve heard that a mothers weight during pregnancy can influence the weight of her offspring. Now a study of rats shows that the fat content in a moms d
Scientific American(十一)月
This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Aspirin is a popular painkiller, and chances are you have some in your medicine chest right now. You might even have some in your flesh-and-blood, put-a-
Scientific American(一)月
AS IT IS 2016-08-26 US Space Agency Prepares for Asteroid Meet-up 美国航天局为小行星会面做准备 American researchers are making final plans to send a spacecraft into space for a possible meeting with an asteroid. 美国研究人员正在做
2016年VOA慢速英语(八)月
With thirteen days to go to the London Olympics, Olympic fever has returned once again to China. And a special art exhibition in Beijing is highlighting the passion of Chinese artists for all things sporting. Its called The Thames River, the Great Wa
英语新闻视频
Science and Technology LSD Acid tests 科技 麦角酸二乙基酰胺 迷幻药之考验 Research into hallucinogenic drugs begins to shake off decades of taboo 迷幻药物的研究开始摆脱几十年来的禁忌 THE psychedelic era of the 1960s i
经济学人科技系列
-Stephanie：Does he always do this? 他经常这么干吗？ -Leonard：Sometimes he brings a toy xylophone. toy：玩具 xylophone：木琴 有时他还会自带玩具木琴。 I am really sorry about this. 我对这一切很抱歉。 -Stephanie：
生活大爆炸第二季
Nice day, huh? Follow me for fun on ABC Happy Express! 天气无限好啊！坐上ABC快乐快车,跟我去寻找快乐吧! First One: Where's the washroom? Restroom, ladies'/men's room, the john, toi
实用英语
今天我们要学的词是side effect。 Side effect, 副作用。一项最近民调显示，Most Americans want health reform but fear its potential side effects, 大多数美国人都希望看到医疗改革，但是又担心改革可能带来的副
英语每日一词
KHARTOUM, Jan. 5 (Xinhua) -- Chairman of the U.S. Senate Foreign Relations Committee John Kerry on Wednesday said that a successful referendum(公民投票权) in south Sudan would be the precursor（先驱,前导） to a stronger new relationship be
英语新闻
THE HAGUE, Dec. 23 (Xinhua) -- PSV Eindhoven ended the year 2012 as Dutch Eredivisie winter champions for the 19th time in history, with FC Twente finishing the year on goal difference as the second placed team. PSV had no difficulties with NAC Breda
英语新闻
LOS ANGELES, Jan. 2 (Xinhua) -- The producers of the award season's frontrunners including Lincoln, Zero Dark Thirty and Les Miserables have been chosen as possible contenders for the top honor bestowed by the Producers Guild of America (PGA), the gr
英语新闻
LOS ANGELES, Jan. 8 (Xinhua) -- The Directors Guild of America (DG) on Tuesday handed out nominations to elite directors including Steven Spielberg and Ang Lee who are viewed as front- running contenders for best helmer of 2012. Ben Affleck earned a
英语新闻
Europe 欧洲 Energy in Ireland: Bog down, wind up 爱尔兰能源：停顿，关闭 Ireland is ditching peat for energy from wind. 爱尔兰正从泥炭能源转向风能。 Peat has a lot to recommend it. 这个岛国的目标是成为电力净出口
经济学人综合