单词：Coplitts oscillator
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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 、
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Do you want to be a traffic cop in Thailand? Are you a good dancer? If you aren't, you won't stand a chance. Traffic cops in Thailand dance as they direct traffic. These cops are good entertainers. Th
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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
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英国翻唱软萌音小帅哥 Hobbie Stuart 联手 Ghetts 出道首单《Still Here》！因发布翻唱和原创视频被大家熟知的他，拥有迷人精致的面容和温柔的眼眸，极具特色的嗓音和超强的假音转换更是让人痴
流行英文歌曲
李华和Larry在学生中心的咖啡馆里休息。今天李华会学到两个常用语：cop out和to get worked up. LL: Hey Li Hua. Some friends and I are planning to go camping and hiking next mo
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It was midnight. No other cars were on the two-lane road. She saw headlights far behind her. They got closer. Suddenly, she saw red lights. She heard a siren. She couldn't believe it. She hadn't been speeding. She hadn't been weaving. Why was a polic
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