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- DDT sprayed into the air kills mosquitoes and other insect pests. 喷射到空气中的DDT能杀死蚊子和其他有害昆虫。
- Pushed out of northern temperate zones by DDT spraying and the draining of wetlands half a century ago, malaria remains entrenched in the humid tropics of Asia. 虽然在半个世纪前，在北方的温带地区通过喷洒DDT和排干沼泽的办法已经消灭了疟疾，但其在亚洲潮湿的热带地区却仍根深蒂固。
- The former can be effectively combatted with a combination of public health education and free condoms, and the latter with DDT spraying in people's bedrooms. 前一种病（：艾滋病，后指疟疾）过公共健康教育和免费提供安全套相配合即可得到有效防治，而后一种病在人们的卧室内喷洒ddt即可对付。
- By1970 DDT spraying, elimination of mosquito breeding sites and the expanded use of antimalarial drugs freed more than500 million people, or roughly one third of those previously living under malaria's cloud. 到了1970年，由于喷灑ddt、除蚊子繁殖地，以及扩大使用抗疟药物，超过五亿人得以免受疟疾的威胁，约略是原先生活在疟疾阴影下人口的1/。
- The house is regularly spraying with DDT. 房屋是定期用DDT喷洒。
- How big is the equipment for spray steelmaking? 连续喷雾炼钢设备有多大？
- Spray slaps the coast ceaselessly. 海浪不停地拍打着海岸。
- Did you bring along some insect spray? 你有没有带些杀虫喷液来?
- This spray will exterminate the termites. 这种喷剂能消灭白蚁。
- She carried a spray of pink roses. 她拿著一簇粉红色的玫瑰花。
- He had a spray in his buttonhole. 他的钮孔中插著一簇花。
- DDT spray [医] 滴滴涕喷雾
- We parked the car by the sea and it got covered with spray. 我们把汽车停在海边，结果车上全是水沫。
- Spray starch on the shirt collars before ironing them. 熨衬衫领要先喷些粉浆再熨。
- Congress then banned the use of DDT in1972. 国会因而在1972年立法禁止使用滴滴涕。
- The fountain throws its silvery spray into the air. 喷泉向天空中喷射出银色的水花。
- Any of various hydrocarbon pesticides, such as DDT, that contain chlorine. 有机氯一种含氯的碳氢化合物杀虫农药，如滴滴涕杀虫剂
- In 1873, the chemical DDT was first synthesized. 1873年，化学物质滴滴涕（DDT）首次合成。
- These insects have become resistant to DDT. 这些昆虫对ddt已有抵抗力。
- Many insects have became resistant to DDT. 很多昆虫对DDT都有了抵抗力。
