单词：tumbler magnetron
[电] 合调磁控管
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[00:00.62]易考范文四 [00:03.46]What a revealing picture it is! [00:07.84]In the picture, a finger tries in vain to knock over a tumbler. [00:12.32]The words on the tumbler read unfair regulations, [00:16.69]while those on the finger public. [00:
发表于:2018-12-04 / 阅读(118) / 评论(0)
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微波炉发明源于一项最高军事机密 Many people around the world use a microwave oven every day, not knowing that a crucial part of it was once a top military secret. 世界上许多人每天都在使用微波炉,但却不了解它曾经是一
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VOA标准英语2016年(二月)
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Your parents would appreciate that about, now. The point is, your generation is charged with this task of breaking through. 你们的父母此时会很欣赏这种做法关键在于你们这一代人肩负着 What the body politic has thus far made i
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