Moral prescriptions against premarital sex begin to fade, a phenomenon apparent even before availability of the contraceptive pill in the 1960s.是什么意思_Moral prescriptions against premarital sex begin to fade, a phenomenon apparent even before availability of the contraceptive pill in the 1960s.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句