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tiveness is limited to destroy one or two types of insects, DDT is 2capable of killing hundreds of different kinds at once.

魅族mx5的摄像头支持光学防抖功能吗？

When DDT became available for civilian use in 1945, there were only a few people who expressed the second thought about this 6new miracle compound.

South Pacific islands of malaria-caused insects for U.S. troops, while 4in Europe being used as an effective de-lousing power.