单词:stokehold skylighy
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[ti:UNIT 4 Look into Science! Lesson 25: Let's Do an Experiment!] [0:00.466]UNIT 4 第四单元 [0:02.644]Lessons 25~32 第25~32课 [0:05.438]Look into Science! 观察科学! [0:07.483]You Will Learn 你将学到 [0:08.630]Functions 实际应用
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It's always fun when my brother comes to visit from New Zealand. Because he is a math and science teacher, he often thinks of interesting things to do that fascinate the children. When he heard that one of my sons does experiments in the kitchen for
EDUCATION REPORT - Duke iPod Experiment By Nancy Steinbach Broadcast: Thursday, August 05, 2004 This is Steve Ember with the VOA Special English Education Report. Duke University in Durham, North Caro
Of all the weird and wonderful events of the 1960s, few are as strange as an animal experiment that took place on the U.S. Virgin Islands in 1965. 上世纪六十年代的所有奇闻异事中,很少有能比得上1965年发生在美国维京群岛的
Newlywed Alexei Sytev and his fellow crewmembers will spend a year and a half living aboard a virtual spacecraft to simulate an actual space mission to Mars Six astronauts are about to experience what it's like to travel to Mars and back, only withou