seal: n.〔sing., pl.〕【动物；动物学】1.海豹。2.海豹毛皮(制品)。3.海豹皮色〔灰黄深褐色〕。4.〔Seals〕〔美国〕海豹突击队〔美国的一支海陆空军突击队〕 the common [harbor] seal (斑纹)海豹。短语和例子the fur seal 腽肭兽，海狗。vi.猎海豹。n.1.(打在火漆，铅等上的)火漆封印；封蜡；封铅；封条。2.捺印；封缄。3.
Studies of the weddell seal in the laboratory have described the physiological mechanisms that allow the seals to cope with the extreme oxygen deprivation that occurs during its longest dives , which can extend 500 meters below the ocean ' s surface and last for over 70 minutes 译：实验室针对威德尔海海豚在海平线500米以下历时70分钟的长期潜水、极端缺氧的状态的研究过程，得出了海豚相关的生理机制。
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Studies of the weddell seal in the laboratory have described the physiological mechanisms that allow the seals to cope with the extreme oxygen deprivation that occurs during its longest dives , which can extend 500 meters below the ocean ' s surface and last for over 70 minutes 在实验室内对威德尔海豹的研究揭示了某种生理机制，该生理机制使海豹得以在深入水下500米、持续超过70分钟的最长时间的潜水中解决此间的极端缺氧的问题。
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Studies of the weddell seal in the laboratory have described the physiological mechanisms that allow the seals to cope with the extreme oxygen deprivation that occurs during its longest dives , which can extend 500 meters below the ocean ' s surface and last for over 70 minutes 在实验室对于海豹的研究已经能够描述出与无氧情况相适应的海豹身体的运动机理，这样的运动能使海豹在最长的一冲中，深入到海下500米处，且能够在水下呆上70分钟。
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Studies of the weddell seal in the laboratory have described the physiological mechanisms that allow the seals to cope with the extreme oxygen deprivation that occurs during its longest dives , which can extend 500 meters below the ocean ' s surface and last for over 70 minutes 威德尔海豹长时间潜水时，可以潜到水下500米深处，待上70多分钟，这时候会出现极度缺氧情况，而人们在实验室里对威德尔海豹的研究却表明，它们有一种特殊的生理机制来适应这种极度缺氧的情况。
