单词：sulfonaphthaleins
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Abby: hi, my name's Abby. What's your name? Colin: I'm colin. It's nice to meet you. What do you do? A: I'm a freelance English teacher. How about you? C: I'm in between jobs at the moment. A: what kind of job are you looking for? C: I'd like to find
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By Sonja Pace London 30 June 2007 British police officers walk past tourists in the pouring rain in central London, 30 Jun 2007 London is on alert - police have stepped up patrols and a search is under way for a man seen running from a Mercedes car
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第五章 周围神经系统 Chapter 5 Peripheral Nerve System abducent nerve 展神经 accessory nerve 副神经 accessory nucleus 副神经核 accessory obturator nerve 副闭孔神经 accessory phrenic nerve 副膈神经 AchE 乙酰胆碱酯酶 afferent nerves 传入神经 ansa cervi
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BBC Learning English Weekender Body image survey results Amber:Hello, I'm Amber, and youre listening to bbclearningenglish.com. In Weekender today, we listen to a report about a BBC survey of 25,000 young British people, asking about their body imag
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(So we can take the solar sunlight, right? create heat force, retain and save in this tank and store.) 20 homes soak off the suns rays on Washington D.C.s National Mall. They need all the energy they can get to power everything from ventilation syste
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