Officials say aid deliveries must continue or recovering regions will plunge back into famine.
官方称援助仍要再可能重陷饥荒的地区继续。
Recent topics have included artificial photosynthesis, the Moon's newly discovered ice, and how video games can aid stroke victims in recovering motor function.
最近的话题包括人工化合作用、月球上最近发现的冰,以及在电子游戏如何帮助中风患者恢复运动机能。
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