Meanwhile, the ground sloth, like the mastodons, must eat most of the day to fuel its huge bulk. This may be the ice age, but by midday, temperatures soar, drawing another predator to the spring to drinkthe notorious saber-toothed cat. Most creatures

发表于:2018-12-27 / 阅读(22) / 评论(0) 分类 探索与发现2013年

haven't seen you for ages.我好久没见到你了。 age有物品或人的年龄的意思,上面age后加了s,是表示很长时间的意思。 What is the age of this building?这建筑物有多少年历史了? age也指人生的某一时期或年龄段。例如: I used to be a football player when I was

发表于:2018-12-30 / 阅读(73) / 评论(0) 分类 蒋健棠一词多意

By Peter Fedynsky Moscow 03 October 2007 October 4th marks 50 years since the former Soviet Union hurled humanity's first object into Earth orbit. It was a small round device known as Sputnik -- Russian for satellite -- with four antennas and a trans

发表于:2019-01-16 / 阅读(29) / 评论(0) 分类 2007年VOA常速英语(十月)

By Alex Villarreal Washington 25 October 2007 The U.S. space shuttle Discovery has docked at the International Space Station, marking the next phase in a complex mission to expand the international orbiter. VOA's Alex Villarreal reports from Washingt

发表于:2019-01-31 / 阅读(57) / 评论(0) 分类 2007年VOA常速英语(十月)

LONDON, Nov. 25 (Xinhua) -- World No. 7 Tomas Berdych from Czech Republic grabbed the last semifinal place by beating Spain's David Ferrer 3-6, 7-5 and 6-1 at the ATP World Tour Finals on Friday. Berdych, 26, had to win the last Group A match to reac

发表于:2019-02-06 / 阅读(81) / 评论(0) 分类 英语新闻

LEILA FADEL, HOST: Nancy Grace Roman led a remarkable life. She joined NASA in 1959, not long after it was created, and went on to become the agency's first chief of astronomy and relativity. She was also known as the mother of the Hubble Space Teles

发表于:2019-02-13 / 阅读(41) / 评论(0) 分类 2018年NPR美国国家公共电台12月