VOA慢速英语2015.08.24
[audio]http://sound.yywz123.com/tingbbs/voa/voa20150824.mp3[/audio]Scientists are considering combining wild coyote melon with regular squash to see if they can make a tasty vegetable that doesn't need as much water to grow. That could be useful on a planet growing warmer and more crowded every day. Andy Jarvis works at the International Center for Tropical Agriculture. "The world is facing a real challenge in terms of food security over the next few decades."______________________科学家们正在考虑将野生狼瓜与普通南瓜杂交,看它们是否长成味道可口的蔬菜,且不需要太多的水分来生长.这样它就可以在一个越来越温暖和更加拥挤的星球上派上用场. Andy Jarvis在国际热带农业中心工作. "在未来的几十年里,世界正面临一个粮食安全方面的真正挑战."________________________
**** Hidden Message *****
页:
[1]