【核物理学】铅—208(铅的同位素)

发表于:2018-12-08 / 阅读(138) / 评论(0) 分类 赖世雄教你轻松说英语

[00:00.00]208 Genius [00:04.57]Genius usually refers to one who has rare mental powers with which he was born. [00:11.05]In a dictionary, the word genius is il-lustrated with the sentence: [00:16.43]Einstein was a genius. [00:18.49]Einstein was belie

发表于:2018-12-25 / 阅读(70) / 评论(0) 分类 每天一课英语口语365

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发表于:2019-01-09 / 阅读(68) / 评论(0) 分类 Harcourt Journeys G1学生用书 Book2

有声名著之包法利夫人 208

发表于:2019-01-18 / 阅读(75) / 评论(0) 分类 有声名著之包法利夫人

歌词如下: Ten fat sausages sitting in the pan, Ten fat sausages sitting in the pan, One went pop,and another went bam! Eight fat sausages sitting in the pan, One went pop,and another went bam! Six fat sausages sitting in the pan, One went pop,a

发表于:2019-01-28 / 阅读(38) / 评论(0) 分类 英语儿歌274首

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发表于:2019-02-10 / 阅读(136) / 评论(0) 分类 Harcourt Journeys G1学生用书 Book5