[mass noun]sexual desire 性欲 loss of libido. 性欲丧失。 [count noun]a deficient libido. 性欲低下。 ■(Psychoanalysis)the energy of the sexual drive as a component of the life instinct (心理分析)里比多(指来自原始性欲)
派生 libidinal adjective libidinally adverb 语源
early 20th cent.: from Latin, literally desire, lust'