The male sperm fertilizes the female egg.(雄性的精子使雌性的卵子受精。)
Ambergris is the concretion in the intestine of the sperm - whale.(龙涎香是抹香鲸肠内的结石。)
It only takes one sperm to fertilize an egg.(只需一个精子就可以使卵受精。)
They compared sperm from a fruit fly, sea urchin, rooster, fish and human.(他们比较了果蝇、海胆、公鸡、鱼类和人类的基因。)
You generally have to be white, as most sperm recipients are white couples.(通常你得是白人，因为大多数接受人都是白人。)
Do you know how the sperm whale manages to do this?(你知道抹香鲸怎样设法做到这个的吗？)
Sperm whale poop helps fertilize algae, which in turn suck up carbon dioxide via photosynthesis.(抹香鲸向藻类施肥，反过来，又通过光合作用吸收二氧化碳。)
Sperm whales, which spend more time than other species at the surface, were also vulnerable.(抹香鲸待在水面上的时间比其他种类的鲸鱼都要长，所以也很容易被晒伤。)
For a long time, we assumed that all whales that had teeth including sperm whales and killer whales were closely related to one another.(在很长一段时间里，我们认为所有有牙齿的鲸鱼，包括抹香鲸和虎鲸，彼此都是密切相关的。)
Just to make sure you follow through, your paychecks arekept in escrowby the sperm bank until the end of the contract.(为了让你遵守契约，直到合同结束，你才能拿到钱。)
