Do Peru's potatoes have the right stuff? 秘鲁的土豆能经受住考验吗? That's the question scientists will be asking in Lima next month, when a selection of tubers will begin undergoing tests to determine whether they're fit to grow on Mars...
John: Hello, this is Real English from BBC Learning English, Im John Chen Li: 大家好,我是陈鹂,欢迎收听纯正英语 John: In Real English, we look at words and phrases that you might not find in your dictionary. Chen Li: 英语是一种十分定式化的语言,所...
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