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9806 篇文章
Reefs are the work of polyps
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Reefs are the work of polyps 珊瑚礁是珊瑚虫的产物

polyps reefs work of the are
The mother will be trapped here for the next five months
Walden 21
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The mother will be trapped here for the next five months 母座头鲸接下来要困在这里大约5个月

trapped next here be five mother months for the will
until her calf is strong enough to make the journey to the feeding grounds, near the poles.
Walden 21
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until her calf is strong enough to make the journey to the feeding grounds, near the poles. 等到小鲸足够强壮了,才开始到极地进食点的旅行

poles grounds until near enough make calf strong journey feeding her is the to
They receive year round sunlight but they lack the nutrients essential for the growth of plankton.
Walden 21
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They receive year round sunlight but they lack the nutrients essential for the growth of plankton. 虽然充满阳光 但是这里主要缺少浮游生物生长所需的养分

plankton growth receive essential lack nutrients round sunlight year they for of the but
The playful calf is now drinking five hundred liters of milk a day
Walden 21
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The playful calf is now drinking five hundred liters of milk a day 顽皮的小座头鲸每天要喝500公升奶

liters playful drinking calf five milk day is of the now hundred a
and, as he begins to tire, she supports him close to the surface so that he can breathe more easily.
Walden 21
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and, as he begins to tire, she supports him close to the surface so that he can breathe more easily. 疲劳的幼鲸被妈妈托上浮上水面好让它呼吸空气

him breathe tire close he surface begins supports more easily can she that as the to so and
These shallows around the equator are excellent nurseries.
Walden 21
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These shallows around the equator are excellent nurseries. 赤道附近的浅海是个非常理想的托儿所

nurseries shallows excellent equator around these the are
The whales have just returned to their breeding grounds in the shallow seas of the tropics.
Walden 21
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The whales have just returned to their breeding grounds in the shallow seas of the tropics. 座头鲸刚刚回到它的热带地区的浅海繁殖地

returned whales shallow grounds breeding seas tropics just their of in have the to
The calf is no more than a few weeks old.
Walden 21
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The calf is no more than a few weeks old. 幼鲸才刚刚几周大

weeks than old calf few more no is the a
Rarely more than two hundred meters deep they lie on the continental shelves which may stretch sometimes for hundreds of miles
Walden 21
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Rarely more than two hundred meters deep they lie on the continental shelves which may stretch sometimes for hundreds of miles 它们挨着大陆架 很少地超过200米深, 大陆架有时可能延伸达几百英里

shelves continental meters stretch sometimes lie may deep hundreds rarely which than miles more two they for of the on hundred