n. 羟锡钙石
[网络] 羟钙锡石

经济学人09:光电池利用染料进行能量转化

Science and technology. 科技。 Photoelectric cells. 光电池。 To dye for. 利用染料进行能量转化。 A new type of cell may bring solar energy indoors. 一种新型电池也许能带来室内太阳能。 THE phrase indoor solar power sou

发表于:2018-12-31 / 阅读(58) / 评论(0)

经济学人科技系列

EXPLORATIONS - The Voyager Airplane

EXPLORATIONS - The Voyager Airplane By Marilyn Christiano Broadcast: Wednesday, March 31, 2004 (THEME) ANNCR: EXPLORATIONS -- a program in Special English by the Voice of America. The Voyager in Fligh

发表于:2019-01-09 / 阅读(86) / 评论(0)

Explorations

VOA慢速英语 2007 1121b

EXPLORATIONS -- a program in Special English by the Voice of America. It was called the last great goal in flying. It would be a flight around the world without stopping or adding more fuel. Today, Frank Oliver and Doug Johnson tell about a special

发表于:2019-01-11 / 阅读(108) / 评论(0)

VOA慢速英语2007年（十一）月

美国国家公共电台 NPR Burt Reynolds, Swaggering Star Actor, Has Died At 82

STEVE INSKEEP, HOST: Burt Reynolds has died at the age of 82. He played a man on a hunting trip gone wrong in Deliverance. He played an unstoppable beer smuggler in Smokey And The Bandit. Bob Mondello offers an appreciation. BOB MONDELLO, BYLINE: The

发表于:2019-01-17 / 阅读(34) / 评论(0)

2018年NPR美国国家公共电台9月

Voyager Plane

49 不间断环行世界的“航行者”号飞机 DATE=5-23-01 TITLE=EXPLORATIONS #1953 - Voyager Plane BYLINE=Marilyn Christiano ANNCR: EXPLORATIONS -- a program in Special English by the Voice of

发表于:2019-01-30 / 阅读(50) / 评论(0)

科技之光

Popular U.S. lyricist Hal David dies

LOS ANGELES, Sept. 1 (Xinhua) -- Hal David, best known for writing a number of popular songs with composer Burt Bacharach, died from complications of a stroke in Los Angeles Saturday at the age of 91. The legendary songwriter passed away at Cedars-Si

发表于:2019-02-07 / 阅读(26) / 评论(0)

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beta-glycerophosphatase

betweenwhiles

biliard ball problem