单词：precursor compound
单词：precursor compound 相关文章
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
英语语法 Grammar Girl
[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
Intonation can indicate completely different meanings for otherwise similar words or phrases. For example, an English teacher teaches English, but an English teacher is from England; French class is where you study French, but French class is Gallic
美式英语正音训练
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
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
AGRICULTURE REPORT - Scientists Find Compound in Smoke that Helps Seeds Grow By Mario Ritter Broadcast: Tuesday, July 20, 2004 This is Steve Ember with the VOA Special English Agriculture Report. A di
农业与发展
The United Nation's World Food Program says rogue members of Somalia's extremist al-Shabab group attempted to raid its compound late Sunday in the Somali town of Wajid, about 300 kilometers northwest of Mogadishu. World Food Program spokesman, Peter
VOA标准英语2009年(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
What do these five words have in common: hotdog, fireworks, well-being, waistline, sunset and ice cream? They could all describe a fun holiday celebration. For example: My holiday was wonderful! I went to a friends party and we laughed, ate and had a
2018年VOA慢速英语(十二)月
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
By Elizabeth Carlassare. Todays topic is compound interest. Albert Einstein is often quoted as having said something to the effect that compound interest is the greatest wonder of the universe. Its an urban legend, but it packs some punch! In todays
货币英语
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
ISLAMABAD, Feb. 25 (Xinhua) -- The living compound of the former al-Qaida chief Osama bin Laden in Pakistan's northwest city of Abbottabad is being demolished, said one local media report. Local Urdu TV channel Express said that the front part of bin
英语新闻