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auxiliary anode 辅助阳极 auxiliary grid 辅助栅极 auxiliary jack 辅助塞孔 auxiliary memory 辅助存储器 auxiliary signal 辅助信号 auxiliary transmitter 备份发射机 available powe
电信英语
1135 、 晶体点阵；晶体格构；晶格 crystallattice 1136 、 棘轮和爪 ratchetandpawl 1137 、 棘齿 ratchet 1138 、 棘齿弓钻 ratchetbrace 1139 、 壳型模塑 shellmoulding 1140 、
英文名句短语
VOICE ONE: I'm Steve Ember. VOICE TWO: And I'm Shirley Griffith with EXPLORATIONS in VOA Special English. This week, we tell about a system of planets orbiting a star called Fifty-Five Cancri. And we hear about a plan to harvest electricity from cro
VOA慢速英语2007年（十二）月
New design produces flexible panels using only 1-2 percent as much silicon Art Chimes | Washington, DC 19 February 2010 You can use 100 times less silicon. And that's potentially very significant. Harry Atwater Schematic diagram of the light-trapping
VOA标准英语2010年(二月)
A scare in Japan over beef contaminated with radioactivity spread on Sunday, with more areas of the country reporting tainted meat. Japanese media say meat from 132 cattle that ate straw contaminated with extremely high levels of radioactive cesium h
英语新闻
Hey, we almost there? 嘿，咱们快到了吗？ Says that it's right here. Wup, wup, we passed it. Back up, back up. 说是就在这的。等等，我们走过了。退回去，退回去。 There it is. I see it! 就是这个，我看见了！ Welc
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