磷酸钡冕玻璃

pH - a measure of how acid or alkali a solution is. As the pH gets lower, the solution is more acid. At a pH of 7 the solution is neither acid nor alkali. pH is the inverse of the logarithm of the con

发表于:2019-01-03 / 阅读(58) / 评论(0) 分类 医务英语

Bite my tongue bide my time 咬紧舌头沉默等待我的机会 Wearing a warning sign 危险警告是我的保护色 Wait till the world is mine 等待直到世界属于我的那一天到来 Visions I vandalize 肆意破坏美好的幻象 Cold in m

发表于:2019-01-03 / 阅读(50) / 评论(0) 分类 听歌学英语

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Batteries of the future need to deliver more energy, and they need to be smaller. Researchers at MIT think they have developed a technology that can, a

发表于:2019-01-08 / 阅读(76) / 评论(0) 分类 Scientific American(四)月

By Teresa Sullivan Washington 06 June 2008 Champion thoroughbred Big Brown is a strong contender to become the first horse in 30 years to win U.S. horse racing's Triple Crown on Saturday when he runs in the Belmont Stakes in New York. Big Brown alre

发表于:2019-01-13 / 阅读(67) / 评论(0) 分类 VOA标准英语2008年(六月)

今天我们要学的词是crown jewel。 Crown jewel是珍宝的意思。美国通用汽车公司申请破产保护。General Motors was the crown jewel of U.S. industrialization, 通用汽车公司曾经是美国工业化进程的一颗璀璨明珠。

发表于:2019-02-03 / 阅读(54) / 评论(0) 分类 英语每日一词

It's not my life to live It's not my song to sing All I have is his For all eternity It's not my righteousness It's not my faithfulness All I have is his For all eternity And we will Crown him crown him King of glory Crown him crown him Lord of all C

发表于:2019-02-17 / 阅读(128) / 评论(0) 分类 音乐咖啡厅