单词:bifunctional chelator
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Topic 003 客人来访 Vistors 利萨是丹尼尔家的远房亲戚,彼此有三年时间没见过面了。她现在是北京大学一年级的学生,利用课余时间去拜访丹尼尔一家。 Listen Read Learn Benjamin: Lisa, I'm so glad to see you. How are you doing? Lisa: Fine. I miss you so much,
丹尼尔看医生时,医生说他患了流感,要打针。小孩好像都很怕打针,我们的丹尼尔呢,他也怕吗?往下看就知道了。 Listen Read Learn Doctor 3: What seems to be the problem, kid? Daniel: I've got a sore throat, a runny nose and a headache. Doctor 3: AhHow long
HEALTH REPORT - New Studies Aim to Expand Knowledge of AutismBy Caty Weaver Broadcast: Wednesday, September 27, 2006 This is the VOA Special English Health Report. A young child with autism Scientists
PRETORIA, Feb. 20 (Xinhua) -- The second day of paralympian Oscar Pistorius' bail hearing ended on Wednesday without a court ruling on his application. Magistrate Desmond Nair ruled that Pistorius would remain in custody again at the Brooklyn police
Fred: Hi, Shibika, so this is almost the end of the year, 2007. Can you tell me a bit, how was your year this year? Shibika: Yeah, I had pretty nice year actually. I went through a lot of ups and downs, and yeah, at first I did really well in my clas
By Mil Arcega Washington 11 April 2007 Afghan artisans are getting a helping hand from a small retail shop in Washington D.C. The store, called Pangea, is operated by the World Bank's International Finance Corporation. As VOA's Mil Arcega reports, th