To feed itself, North Korea needs 5.5m tonnes of grain a year. It cannot produce anything like this, even with a bumper harvest last year.
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Africa has the means to feed itself but does it have the support – and the will?
首页 » 社会 » 非洲养活自己有方法,但能否得到支持——自身有无决心?
The potato allowed most of Europe—a 2, 000-mile band between Ireland and the Ukraine—to feed itself.
马铃薯让欧洲的大部分地区,即从爱尔兰到乌克兰绵延2000英里的地带做到了自给自足。
They restrained the monkey and managed to get it to use its thoughts to manipulate a robotic arm enough to feed itself.
他们训练这只猴子,使它能够用它的大脑控制这个机械手臂,用它来给自己取食。
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