单词：circulation by induction degassing
磁感循环真空脱气法
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发表于:2018-12-30 / 阅读(51) / 评论(0)
单词解析速记
单词解析速记
One of the ways in which my family and I relax during the evening is watching movies. It is more an occasional treat than a daily activity. Life in a big family is very busy, and often there is very little time to sit down, let alone to watch a film.
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英语博客 A cup of English
英语博客 A cup of English
48 科学家发现：蜘蛛丝强度要胜过绳子 DATE=5-16-01 TITLE=SCIENCE REPORT - Spiders and Silk BYLINE=Jill Moss (Start at 59
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科技之光
科技之光
Fred: I can tell you guys about a very scary spider that once entered my house. Todd: Oh, really. Fred: Yeah, so my roommate and I are sitting next to the kitchen and then we just look around the kitchen and then we look up to the wall and we see thi
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原版英语对话1000个
原版英语对话1000个