Analysis of information sources in references of the Wikipedia article "正常体位" in Chinese language version.
……says Los Angeles-based sex expert and radio host Lora Somoza."By going in diagonally—rather than straight in and out—there's more friction for clitorial stimulation, which is best, since that's how most women achieve orgasm."
……says Los Angeles-based sex expert and radio host Lora Somoza."By going in diagonally—rather than straight in and out—there's more friction for clitorial stimulation, which is best, since that's how most women achieve orgasm."
對中國古代房中術的內容進行分類,可以日本醫家丹波康賴的《醫心方》(984年)為例
對中國古代房中術的內容進行分類,可以日本醫家丹波康賴的《醫心方》(984年)為例