单词：oscillatory twinning
振荡孪生
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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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英文名句短语
英文名句短语
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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英语听力文摘 English Digest
援助巴基斯坦流离失所需要帮助的人民 The U.S. Government, through the U.S. Agency for International Development,recently contributed 20 million to support the provision of food to approximately 1.2 million temporary displaced persons o
发表于:2019-01-14 / 阅读(105) / 评论(0)
VOA标准英语2016年(二月)
VOA标准英语2016年(二月)