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本期内容:
The World Health Organisation1 said an experimental malaria2 vaccine3 will be tested on more than 750,000 children in Ghana, Kenya and Malawi next year. The disease causes more than 400,000 deaths annually4. How the vaccine is implemented5 will be key to its success: it must be administered four times, with the final dose 18 months after the third.
World Health Organisation: 世界卫生组织
malaria: n. 疟疾
vaccine: n. 疫苗
key: n. 关键
administer: v. 管理,注射
dose: n. 剂量
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1 organisation | |
n.组织,安排,团体,有机休 | |
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2 malaria | |
n.疟疾 | |
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3 vaccine | |
n.牛痘苗,疫苗;adj.牛痘的,疫苗的 | |
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4 annually | |
adv.一年一次,每年 | |
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5 implemented | |
v.实现( implement的过去式和过去分词 );执行;贯彻;使生效 | |
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