"Crab louse infestation (see louse, human) can also be considered an STD. The incidence of STDs has been affected by such factors as antibiotics, Birth-control methods, and changes in sexual Behaviour."是什么意思 "Crab louse infestation (see louse, human) can also be considered an STD. The incidence of STDs has been affected by such factors as antibiotics, Birth-control methods, and changes in sexual Behaviour."怎么读