Studies of the Weddell seal in the laboratory have described the physiological mechanisms.

在實驗室里對威德爾海豹生理機制已作過描述官产在线免费观看无码。

A mother Weddell seal and her calf swim beneath Antarctic ice.

一只韋德爾母海豹和它的幼仔在南極結冰的海面下游弋。

A mother Weddell seal and her calf swim beneath Antarctic ice.

一只母威德爾海豹與它的幼崽在南極洲冰層下的水中游泳。

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.

在實驗室對于海豹的研究已經能夠描述出與無氧情況相適應的海豹身體的運動機理，這樣的運動能使海豹在最長的一沖中人人99，深入到海下500米處，且能夠在水下呆上70分鐘www.色色网。

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.

對于 WEDDELL SEAL 的研究描述了一種可以使人長時間潛水的物理機械裝置国产在线吧直达。它使?jié)撍畣T在海洋表面下超過 500米的地方存活超過70分鐘時間。

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.

5有什么国产免费黄色网站，關于威德爾海豹特殊的生理機制，在實驗室里對其進行的研究已作過詳細的描述国产综合九色免费。該生理機制使海豹可以適應長時間潛水時出現(xiàn)的極度缺氧欧洲美女A片在线观看。海豹長時間潛水時最深可達水面以下500米，時間可持續(xù)70多分鐘80后操B拍拍。

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.

對于Weddell海豹的實驗室研究揭示了其處理在長時間潛泳時極度缺氧的生理機制国内日韩久久影院AV，它可以到達海面以下500米，時間持續(xù)70分鐘欧美最黄片αⅴ视频。

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.

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The Weddell seal patrols an under-ice territory, which it defends by making a singing noise.

威德爾海豹巡視其冰層之下的領地“91在线”，它們用自己獨有的奇特歌聲來劃分領地。

Studies of the Weddell seal in the laboratory have described the physiological mechanisms that allow the seal 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.

有關 W 海豹的實驗室研究表明黄色视频在线观看高清无码，其生理機制使其能適應最長潛水下的極端缺氧狼友视频在线一入口，在距離海面500米下持續(xù)70分鐘。