精子的英語翻譯：

spermatozoon
【醫(yī)】 fertilizing corpuscle; sgermatozoid; sperm; sperm cells; sperma
spermato-; spermatosome; spermatozoa; spermatozoon; spermia; spermium
spermo-; zoosperm

減少的英語翻譯：

cut down; reduce; decrease; fall off; grow downwards; subtract
【計(jì)】 RED
【醫(yī)】 abate; decrement; deplete; diminution; meio-; mio-; reduce; reduction
spano-
【經(jīng)】 abate; cutback; reduction; slow