“健康电话”目标AIDS(2)
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幼儿死亡率创新低(2)
联合国儿童基金会最近的调查显示幼儿的死亡率创了历史新低UNICEF says progress in Asia, especially in China and India, has helped drive the worldwide reduction since nineteen ninety. Death rates have...
“空中”教室(2)
这是真正的“空中”教室,他们在宇宙空间站接受学生来自地球的提问"In fact, one way to think about that when we're on the International Space Station and all the lights are on when we look outside, i...
美俄两国表示将削减核武器储备(2)
在最近的一份联合声明中,美俄两国表示将把核武器储备降到“可能的最低水平”"We haven't come to agreement on what will replace START but we are in the process of talking about that. We both want tran...
收集种子,收集希望(2)
一项种子收集行动在进行中,目的是为了保护那些濒危的物种Some orphan crops cannot be grown from seeds. Instead, cuttings, roots and cell cultures will be gathered from gene banks. And the project wi...