单词：ionic sieving
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发表于:2018-12-30 / 阅读(169) / 评论(0)
单词解析速记
单词解析速记
It may not be the most melodious bit of birdsong youll ever encounter. [Titmouse alarm call]. But this particular call, issued by a tufted titmouse, conveys important information about the presence of potential predators. But only if other birds can
发表于:2019-01-20 / 阅读(132) / 评论(0)
2016年Scientific American(八)月
2016年Scientific American(八)月
Beginners. Black, red, green, light blue, silver, orange, swords, lazers, helmets, shields, flying machines, underwater vehicles. The list could go on. What do these words refer to? Bionicles. They are a type of lego. You can buy them in boxes to put
发表于:2019-01-28 / 阅读(195) / 评论(0)
英语博客 A cup of English
英语博客 A cup of English