能量守恒定律--law of conservation of energy;
动量守恒定律--law of conservation of momentum;
电荷守恒定律--law of conservation of charge;
质量守恒定律--law of conservation of mass
英语四级盲文试卷准备工作已就绪
体坛英语资讯:Man United beat Ajax 2-0 to claim Europa League title
国内英语资讯:China completes construction of first Hualong One nuclear project
川普女婿库什纳成“通俄”调查重点
国际英语资讯:DPRK calls for direct talks in response to Washingtons new proposal
国内英语资讯:China further advances law-based governance: report
国际英语资讯:Roadside bomb kills 10 civilians in W. Afghanistan: local media
国际英语资讯:Trump asks Supreme Court to block New York subpoena for his tax returns
中国成全球稳定开采可燃冰第一国
国内英语资讯:Nepal, China sign MoU on tourism promotion
布鲁塞尔发生抗议北约和川普活动
国内英语资讯:China lifts restrictions on U.S. poultry imports
体坛英语资讯:Spain s Supreme Court confirms Messi fraud sentence: judicial source
Head trip?
国内英语资讯:Chinas peaceful development benefits all countries in economy, security: Singaporean DM
体坛英语资讯:New Zealand Rugby Team wins Princess of Asturias Award for Sport
体坛英语资讯:English Premier League winners Chelsea cancel victory parade
国际英语资讯:Argentine president-elect offers Bolivias Evo Morales asylum
国内英语资讯:China seeks balanced trade, investment with U.S.
国际英语资讯:British police arrest 44-year-old man linked to Manchester attack
Airbnb居然开始出杂志了
暑假计划 Summer Vacation Plan
国内英语资讯:Chinese premier stresses steady economic development, peoples livelihood
人工智能遇上交通灯 交通堵塞或成历史
体坛英语资讯:History as Kipchoge becomes first human to run marathon under 2 hours
国际英语资讯:British student sentenced to 15 years in prison for planting bomb on London train
国内英语资讯:Russia, China pledge further cooperation, joint work on intl issues
超越推特! 新浪微博月活跃用户达3.4亿!
游戏界高调宣战AI,星际争霸选手下战书了
国际英语资讯:Algerias presidential election campaign to start on Sunday