规律的锻炼有助于提高性欲。
Regular exercise can help boost your ___libido.
随着年龄增长，很多人的性欲会逐渐减弱。
As people age, their ___libidos often decrease gradually.
根据精神分析理论，力比多是人类行为的重要驱动力。
Psychoanalysis suggests that ___libido is a primary driving force behind human behavior.
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