精液

bù yùn bù yù zhě de jīng yè zhōng zhǐ yǒu shǎo liàng jīng zǐ jù yǒu huó xìng

不孕不育者的精液中只有少量精子具有活性。

Only a small amount of sperm in the semen of an infertile person is active.