My husband had a very low sperm count.我丈夫的精子数很低。From the body, the sperm whale is smaller than the killer whale.从体形上看, 抹香鲸比虎鲸要小.The sperm whale has about thirty teeth in its lower jaw.在抹香鲸的下颚上大约有30颗牙齿.Only one sperm fert...
The motivation of sperm donors varies.捐精者的动机各不相同.Squid beaks are often found in the stomachs of sperm whales.经常能在抹香鲸的胃里发现鱿鱼的嘴.The length of a sperm whale's tooth is 20 cm.长度的一抹香鲸的牙齿是20厘米....