The tiny airborne vessels will soon clean Windows on skyscrapers, verify insurance claims and spray pesticide on crops.
看似瘦小的无人机很快就可以给高楼擦玻璃；核实保险索赔，还可能给农作物施肥。
To the wind the prevention: early spring old bark, winter destroy sunflower, corn testament, spray pesticide plant high-efficiency.
防治法：早春刮去老树皮，冬季毁灭向日葵、玉米遗株，喷洒高效低毒农药。
"Spiders are key predators of insects and can alleviate the need for farmers to spray large quantities of pesticide," Reynolds said.
“蜘蛛是昆虫的天敌，有了它能避免农民大量喷洒杀虫剂”，雷诺兹说。
Farmers could then spot-spray, using 50 to 70 percent less pesticide than they otherwise would.
农民们就可以用比原来少50%到70%的杀虫剂定点喷药。
Spray the pesticide on the fruit trees tomorrow.
明天给果树喷杀虫剂。
It also points out that it'S better to makeschedule to spray this biological compound virus pesticide after 4: 00pm if it is sunny.
同时指出，晴天使用生物复合病毒杀虫剂拟在下午4时后喷施为好。
The reason we haven't been able to cure cancer is that we're selecting for resistant tumor cells. When we spray a field with pesticide, we select for resistant pests. It's the same idea.
我们不能治愈肿瘤的原因是因为耐药细胞，同样的，就像我们喷杀虫剂时，不能选择耐药的害虫。
The reason we haven't been able to cure cancer is that we're selecting for resistant tumor cells. When we spray a field with pesticide, we select for resistant pests. It's the same idea.
我们不能治愈肿瘤的原因是因为耐药细胞，同样的，就像我们喷杀虫剂时，不能选择耐药的害虫。
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