单词：magnetron oscillator
[电] 磁控管振荡器
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841 、 埋头铆钉 countersinkheadrivet 842 、 埋头锥孔 countersink 843 、 埋头螺栓 countersinkheadbolt 844 、 埋头螺丝 countersinkheadscrew 845 、 埋头钻 countersinkdrill 846 、
发表于:2018-11-29 / 阅读(229) / 评论(0)
英文名句短语
英文名句短语
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
发表于:2018-12-16 / 阅读(98) / 评论(0)
VOA标准英语2016年(二月)
VOA标准英语2016年(二月)
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
发表于:2018-12-31 / 阅读(124) / 评论(0)
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英语听力文摘 English Digest