单词:hydraulic resistance balance
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[00:06.69]Unit 4 [00:08.27]What a big school! [00:11.22]Lesson 20 [00:13.58]Learn to Say [00:15.95]Good morning. [00:17.32]I'm Gao Jun. [00:19.40]He's our principal. [00:22.06]Hi, I'm Susan. [00:24.03]Nice to meet you. [00:25.96]Welcome to our school
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By Mike O'Sullivan Los Angeles 27 March 2007 Beverly Hills, the upscale California community many movie stars once called their home, is getting a new mayor - an immigrant from Iran named Jimmy Jamshid Delshad. VOA's Mike O'Sullivan reports, the mayo
Foggy California City is Tops With Tourists Hilly San Francisco is Americas 13th-largest city. Three other California cities - Los Angeles, San Diego and San Jose - are larger. Yet each year, San Francisco ranks first or second in the nation in touri
北海公园Beihai Park 故宫博物院 the Palace Museum 革命历史博物馆 the Museum of Revolutionary History 天安门广场 Tiananmen Square 毛主席纪念堂 Chairman Mao Zedong Memorial Hall 保和殿 the Hall of Preserving Harmony 中和殿