精子密度 jīng zǐ mì dù 🔊 sperm concentration, often called sperm… + Keep this word Meanings jīng zǐ mì dù sperm concentration, often called sperm count Its characters 精jīngessenceHSK 7–9子zǐsonHSK 3密mìdense; close; thickHSK 6度dùto passHSK 5