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性爱:对于人类是一种本能,亦是生活中不可分割的一部分。随着现代性医学的发展,对性的认识亦随之加深,这就是性的再认识,即性的新感知。性释放:夫妻性生活中有一个
Sex: is an instinct for humanity, but also an integral part of life. With the development of modern medicine, the awareness of sex will also deepen, which is the re-understanding of sex, that is, the new perception of sex. Sexual release: a couple in sexual life