六月，科学家宣称：在北非已经发现了小麦锈病的两种新变异病菌，使得这一重要粮产地遭受重创。
It is now camped at the gates of one of the world’s breadbaskets, Punjab. In June scientists announced the discovery of two new strains in South Africa, the most important food producer yet infected.
他重245磅，每个月要吃掉110磅的狗粮。
He weighs in at 245 pounds and eats 110 pounds of dog food each month.
结果表明，重污染区集中在长江、黄河流域的粮、棉产区，而且我国农业环境中BHC、DDT污染程度是向南或向北逐渐减弱。
The extent of pollution by BHC and DDT in agricultural environment gradually decreases toward the northern and southern parts of China.
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