单词:klein gordon equation
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[00:02.70]Unit 20 New Frontiers [00:06.15]Lesson 3 Scientific Breakthroughs [00:10.11]PIONEERS OF SCIENCE [00:12.16]In the summer of 1905, [00:14.40]a young man was sitting at home [00:15.97]after a day's work. [00:18.04]While rocking his one-year-ol
You Do the Math Hello and welcome to Words and Their Stories from VOA Learning English. On this program we explain how to use common expressions in American English. We also explore the origins of these expressions. Where do they come from? Today we
作为一名骇客和作家,Joshua Klein对乌鸦们的智慧感到神奇(你可曾注意过它们那小小的黑眼睛中蕴藏的智慧光芒?)。他在很长一段的业余时间里对乌鸦群的行为进行观察后,想出了一个堪称优雅
[0:0]entertain招待,款待 [0:11.2108]entertainment enthusiasm entitle entry娱乐,文娱节目 热情,热心 给...权利,给...资格 参赛的人 [1:7.0247]environment envy equality equation环境,周围状况 忌妒,羡慕 相等,相同 议程,等式 [1:59.5258]equivalent era erect err
Alex: Dr. Coopers office. Amy: oh, hello, who are you? Alex: Im Alex, Dr. Coopers assistant. CanI help you? Amy: Id like to speak to Sheldon. Alex: Im sorry. Hes asked me to hold allcalls unless youre Stephen Hawking, his mother or himself from the f
NEW YORK, Jan. 6 (Xinhua) -- Hornets guard Eric Gordon will miss two to three weeks because of a sore right knee. The Hornets say Gordon's knee was swollen after he led New Orleans with 22 points in a 101-93 loss to the Philadelphia 76ers on Wednesda