He had come to Mexico in 1944, leaving a good job at DuPont, to increase grain yields, and to bring these half-starving people food.

1944年，他来到墨西哥，辞去了杜邦公司的一份好工作，目的是提高粮食产量，为这些处于半饥饿状态的人们提供食物。

youdao

In Pakistan and India, two of the nations that benefited most from the new crop varieties, grain yields more than quadrupled over the period.

在巴基斯坦和印度，这两个从新粮食作物品种中受益最多的国家，在那段时间粮食产量增长了四倍以上。

youdao

And, as older farmers leave the Labour force and young ones go to cities, the decline in agricultural knowledge could reduce grain yields.

同时由于老年人失去劳动力，青壮年去了城市，农业知识水平的下降可能会降低粮食产量。

youdao

Australia is a major food exporter, and if drought dramatically cuts yields, that could cause global prices for grain,meat and other foods to rise.

VOA: standard.2009.09.03