人们担心对粮食作物如玉米、木薯和高粱不断利用可能会造成非洲主要粮食价格的不断上涨，特别是玉米。
There is the worry that an increase in the use of food crops such as maize, cassava and sorghum is likely to increase the food price of most staple foods in Africa, notably corn.
一位非洲妇女捣木薯的声音为全世界的午餐时间奠定了节奏，显得轻松欢快。
sometimes very firm—as when the pounding of cassava by women in Africa sets the pace for lunchtime the world over—and sometimes pleasingly loose.
两年前，花叶病毒使非洲损失了超过一半的木薯，而这种作物是当地人的主要食物。
Two years age, Africa lost more than half its cassava crop — a key source of calories — to the Mosaic virus.
应用推荐