液力变扭器传动

[00:02.51]Module 1 MY FAMILY AND FRIENDS [00:07.72]UNIT 1 How long have you lived here? [00:12.18]1 Listen and read.Then say. [00:17.03]Have you just moved into the neighbourhood? [00:20.06]Yes. We've lived here since November. [00:23.51]How long hav

发表于:2018-12-04 / 阅读(48) / 评论(0) 分类 外研社新标准初中英语八年级

After 'Gen X', Today's Young Might be Gen E Americans like to give names to generations. We call those who lived through World War II, the Greatest Generation; those who came of age reading the beatnik poets of the 1950s, the Beat Generation; those f

发表于:2018-12-08 / 阅读(51) / 评论(0) 分类 VOA标准英语2012年(三月)

This is Scientific American's 60-Second Science. Im Cynthia Graber. This will just take a minute. One of the problems with large-scale solar power plants is that they require a huge amount of space. To rise above that problem Israeli researchers rece

发表于:2018-12-24 / 阅读(54) / 评论(0) 分类 Scientific American(三)月

By David McAlary Washington 14 September 2006 The International Space Station has spread a new pair of golden wings. They are solar panels that will double the amount of power available to the outpost. Unfurling them took longer than expected becaus

发表于:2019-01-07 / 阅读(107) / 评论(0) 分类 2006年VOA标准英语(九月)

A: Can you tell me where it hurts? B: I am so glad they called you. It feels like something is really wrong with my stomach! A: Does it hurt when I push here? B: Its mostly on my right side. Right here! A: Have you been feeling this way for awhile? B

发表于:2019-01-15 / 阅读(62) / 评论(0) 分类 英语情景对话-健康

Early warning systems can be the difference between life and death in earthquake-prone regions. But they are expensive. The US, Mexico and Japan have such systems. That leaves large swats of central and South America, Asia and the Caribbean unprotect

发表于:2019-01-20 / 阅读(35) / 评论(0) 分类 2015年Scientific American(四)月