Long-term intense stress even caused him to lose his libido.

长期高强度的压力甚至使他失去了性欲。

It is normal for adolescents to have this kind of primitive libido.

青少年会出现这种原始的性冲动是正常的。

Libido is a physical desire, but lust is different.

性欲是生理欲望，色欲则不同。

Lack of sleep is a major factor in loss of libido.

睡眠不足是导致力必多丧失的一个主要因素。

It is primitive libido of human.

这是原始人性的本能冲动。

In this sense, the antonym of libido is destrudo.

在这个意义上，力比多的反义词是死亡本能。

And yet, according to the MRI, my libido is surprisingly strong.

然而，根据核磁共振成像，我的性驱力出人意料的强。

Smaller companies are currently developing creams and nasal sprays to increase female libido.

目前，规模小一些的公司正在研发乳膏和鼻腔用喷剂以增强女性本能。