提示词（可选）：1，thrusts his body/genital/penis back and forth (violently,rhythmically) into her
2，手部动作fondle/caress/touch breasts with (sweeping touch|encompassing touch) (from bottom)
3，面部，慎用，会变白人脸open-mouth expression, arousal, rolling eyes
例子，Intimate shot of a sex scene. A man behind violently thrusts his body back and forth rhythmically into the girl's body. The male slowly fondles and caresses her breasts with both hands, arousing the female.