单词:supersonic oscillator
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Jackie: Hello Im Jackie Dalton and today, were going to find out about space travel and look at some science language. Were going to do this with the help of Jeff Hoffman. Hes a former NASA astronaut an astronaut a person who goes into space. Hes goi
Keeping Time With Quartz Most people know that wrist watches commonly contain quartz. In fact, if you wear a watch, chances are its a quartz watch, since most watches is made today use quartz. But, you may not know what quartz has to do with keeping
Everybody! 大家注意 I've decided to send Matt and Ben along with Lieutenant Clayton. 我已经决定让马特和本与克莱顿中尉一同出发 It'll put our kids a few hours ahead of whatever else is coming, 无论发生什么,孩子们都能提
Bionic Christina Aguilera Are you ready, ready, ready to go-g-g-go? Are you ready, ready, ready to go-g-g-go? Bionic, take it supersonic, eh I'm bionic; hit you like a rocket, eh-ay-yeh Bionic, so damn bionic, eh Gonna get you with my electronic, sup
1,000mph Target for British Car 英国制造时速达1000英里/小时的高速汽车 A British team has begun building a car designed to smash all previous land speed records and go faster than even the speed of sound. The supersonic car, called Blo