4-苯乙烯吡啶,γ-苯乙烯吡啶

SARAH MCCAMMON, HOST: The indie rock band Pedro the Lion is known for its sometimes dreary lyrics that take on internal conflict often filled with religious angst. (SOUNDBITE OF SONG, THE FLEECING) PEDRO THE LION: (Singing) Who shall I blame for this

发表于:2018-12-17 / 阅读(49) / 评论(0) 分类 2018年NPR美国国家公共电台2月

Hey 嘿 Beautiful, beautiful, beautiful, beautiful angel 美丽动人优雅纯洁的天使 Love your imperfections, every angle 连你每个不完美的角度都喜欢 Tomorrow comes and goes before you know 时光飞逝你不曾知晓 So I just had

发表于:2019-01-03 / 阅读(53) / 评论(0) 分类 听歌学英语

Grafting is a way to produce plants from pieces of existing plants instead of seeds. Branches or buds are cut from one plant and placed on a related kind of plant. The branch or bud that is grafted is called the scion. The plant that accepts the graf

发表于:2019-01-12 / 阅读(60) / 评论(0) 分类 2010年VOA慢速英语(五)月

By Nico Colombant Bokoni 08 February 2008 While former Liberian president, Charles Taylor, is being tried in The Hague for alleged war crimes in Sierra Leone, his imprint is still being felt in the neighboring country of Guinea as well. Some of his f

发表于:2019-02-05 / 阅读(38) / 评论(0) 分类 VOA常速英语2008年(二月)

China says a multi-billion dollar oil deal with Iraq is still being negotiated. This contradicts reports last week from Iraqi officials, who said the deal had been signed. Daniel Schearf reports from Beijing. China's Foreign Ministry on Thursday sai

发表于:2019-02-11 / 阅读(49) / 评论(0) 分类 VOA标准英语2008年(九月)

Lesson 231 You owe me one! 1.You owe me one!你欠我一个人情! 2.I stil lowe for the car.我还没付清 这辆车的钱。 3.I owe ou an apology.我该向你道歉。 4.I owe my parents a lot.我十分感激 父母。 5.I owe you five dollars.我

发表于:2019-02-12 / 阅读(60) / 评论(0) 分类 辛沛沛NO-BOOK 辛沛沛傻瓜机口语极短句
学英语单词