单词:erbium lasers
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Listen this way听力教程第一册-7
Venetian Vacation What images come to mind when you think of a trip to Venice? No doubt you imagine yourself taking a romantic gondola ride along narrow canals and under delicate bridges.Perhaps you p
Romantic Venice 浪漫水都威尼斯 What images come to mind when you think of a trip to Venice? 想到威尼斯一游,你的脑海中会浮现出什么画面? No doubt you imagine yourself taking a romantic gondola ride along narrow canals and
By Naomi Schwarz Dakar 25 February 2008 At least two civilians are reported to have been killed in Douala, Cameroon, where protesters and police have been battling each other since Saturday. The unrest began after authorities blocked a planned opposi
Two explosions blasted Moscow's subway system Monday morning as it was jam-packed with rush-hour passengers, killing at least 37 people, emergency officials and news agencies said. Russia's top investigative body said terrorism is suspected in the bl