醇钠烯催化作用

He stopped at the motel. It was late at night. It was almost midnight. He asked the motel clerk, Do you have a vacant room? She said she had a vacant room. He asked how much it was. She said it was $100 for the night. But the night is half over, he s

发表于:2018-12-07 / 阅读(162) / 评论(0) 分类 超级简单英语阅读

雅思听力场景词汇:化学词汇 在雅思听力考试场景中,化学相关的场景的词汇较为生涩,平时生活中可能也运用得比较少,以下的词汇供大家参考喔。 molecule 分子 particle 粒子 ion 离子 particle

发表于:2018-12-19 / 阅读(216) / 评论(0) 分类 雅思英语

Half a Million Syrians Protest in Hama Nearly half a million anti-government protesters filled the streets of the volatile Syrian city of Hama Friday. Two senior foreign envoys visited in a show of solidarity. Rights activists say Syrian security for

发表于:2019-01-13 / 阅读(194) / 评论(0) 分类 VOA标准英语2011年(七月)

今天我们要学的词是halfway。 Halfway, 一半的地方。 The project has reached its halfway point, 这个项目已经做到了一半。 The show is halfway through, 演出已经进行了一半。 We are more than halfway through winter, 冬天

发表于:2019-01-30 / 阅读(132) / 评论(0) 分类 英语单词荟萃

By Peter Fedynsky Washington, D.C. 15 December 2006 watch Human Rights report Secretary of State Condoleezza Rice has announced initiatives to protect human rights activists worldwide against government repression. As VOA's Peter Fedynsky reports, t

发表于:2019-02-02 / 阅读(184) / 评论(0) 分类 2006年VOA标准英语(十二月)

ar door slams, it's been a long day at work I'm out on the freeway and I'm wondering if it's all worth The price that I pay, sometimes it doesn't seem fair I pull into the drive and you're standing there And you look at me And give me that come-here

发表于:2019-02-06 / 阅读(163) / 评论(0) 分类 美国乡村音乐