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sperm造句
31, The nobler of the two is the sperm whale. 32, The sperm is stored and frozen until the second negative test result is confirmed. 33, Every time she seduces a fresh peacock, she wins a little extra sperm that she probably does not need. 34, Taking yet another example, compare the visual fields of man, rabbits and the sperm whale. 35, The fly therefore produces half as much sperm as normal. 36, Most of them simply release their eggs and sperm and rely on the surrounding water to bring them together. 37, Presumably also sperm in a sperm-bank and human organs for transplant can be stolen. 38, As it turned out, his sperm count appeared normal but his wife continued to fail to conceive. 39, The few remaining hermaphroditic mice are at a premium because only they can produce the sperm that the all-female mice still need. 40, Corals, like the majority of marine invertebrates can also reproduce sexually by releasing eggs and sperm. 41, Carol had told him a thousand kids a year came from sperm banks in the early eighties. 42, We chose linear regression for describing the overall changes in mean sperm concentrations, but other statistical models have also been tested. 43, The number of offspring a male can produce depends on his ability to produce sperm and inseminate females. 44, In animals the sperm is given a sort of strip search as it enters the egg to remove all the organelles. 45, The ship, it is said, is filled to capacity with sperm oil. 46, Such behaviour may make the female deposit a drop of fluid which sometimes contains sperm from previous matings. 47, Following mating, the sperm are stored in special tiny tubules in the female's reproductive tract. 48, There he found the skeleton of a whale, a sperm whale, which had become a shrine for the natives. 49, Once it is penetrated by the single sperm, the egg becomes impervious. 50, A father may choose to be totally unknown to both mother and child by supplying his semen to a sperm bank. 51, The great herds of sperm whales such as the Pequod encounters are known as schools. 52, Fourth, Ishmael makes it clear that an enraged sperm whale will charge and sink a large sailing vessel like the Pequod. 53, And one has to remember that sperm counts also show a natural seasonal variation. 54, His sperm ducts empty into this pouch so that the eggs are quickly and efficiently fertilised. 55, The region is one of the chief feeding grounds of the sperm, baleen and minke whales. 56, Iodine in salt may be the reason for low sperm counts, according to New Scientist magazine. 57, His sperm then covers the eggs as they are laid and fertilisation occurs within 10 to 15 minutes. 58, High exposure to dioxins has been associated with cancer, low sperm counts, behavioural problems and diabetes. 59, The sperm carries just a nucleus cargo, a mitochondrial engine, and a flagellum propeller. 60, The coming together of sperm and egg represents a moment of surrender to forces outside our control.