单词：surface chemical shift
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Looks like he's been working the graveyard shift Neil: Hello, welcome to Real English from BBC Learning English, I'm Neil. Helen: 大家好，我是 Helen。 Neil: In Real English we look at words and phrases people use all the time, but you probably won't
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65 野火的燃烧会造成汞污染 ENVIRONMENT REPORT September 7, 2001: Mercury Pollution in WildfiresBy George Grow （Start at 59
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[00:17.93]Night Shift [00:22.07]夜班 [00:34.64]All this started when I was working as a night guard. [00:39.05]My first two years as a guard [00:41.31]I was working at the control center as an operator [00:44.78]where the entire emergency [00:47.24]c
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Have you ever had a problem getting a match to light? If so, you might be using the wrong type of match. There are actually two different types of matches: safety matches and strike-anywhere matches. 以前你点燃火柴时有没有点不着的时候呢
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今天我们要学的词组是shift。 Shift有改变、转变的意思。比如美国宣布加入有伊朗和叙利亚参加的有关伊拉克问题的高层谈判。白宫突然改变政策为外交活动打开了大门， The abrupt shift of polic
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Matches Striking matches, on this Moment of Science. Have you ever had a problem getting a match to light? If so, you might be using the wrong type of match. There are actually two different types of matches: safety matches and strike-anywhere matche
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