The experts say estimates of new H.I.V.infections are down by about fifteen percent in Africa, south of the Sahara Desert.
VOA: special.2009.12.08
It just goes north to south and then it stops somewhere in the Sahara Desert or something.
它就是从北向南流,然后在撒哈拉沙漠的什么地方断流了。
It just goes north to south and then it stops somewhere in the Sahara Desert or something.
它就是从北向南流,然后在撒哈拉沙漠的什么地方断流了。
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