Land that was once at the bottom of the sea now lies around the town in wide, fertile fields; where crabs once crawled, donkeys pick their way.
曾经是海底的陆地现在成了城镇周围广阔肥沃的田野；这里曾经有过螃蟹爬行，现在则有驴子择路而行。
The ship sank to the bottom of the sea.
船沉入海底。
The wreck is lying at the bottom of the sea.
沉船躺在海底。
The ship was buried, beyond retrieval, at the bottom of the sea.
船已葬身海底，无法打捞。
Sea cucumbers are strange animals living at the bottom of the sea.
海参是生活在海底的奇怪动物。
It was the bottom of the deep blue sea.
那就是深蓝色大海的海底。
"You couldn't have wanted it much," said Alice, "living at the bottom of the sea."
“你不会太需要它了，”爱丽丝说，“住在海底。”
Their massive wake creates waves at the bottom of the sea, weakening the foundations of the centuries-old buildings themselves.
它们巨大的尾流在海底形成浪潮，损坏了有数百年历史的建筑本身的地基。
If it wants to have a smooth texture, it flattens out the papillae, so it can acquire a smooth texture to blend in with the sandy bottom of the sea.
如果它想要纹理光滑一些，它就把身上的“触头”变得平整，这样它看上去就会很光滑，能够融入海底的沙地中。
Conservationists say longline gear also damages corals and other important habitat on the sea bottom, threatening both the turtles and the fish.
环保人士称延绳钓也破坏了海底的珊瑚和对其它动植物来说很重要的海底栖息地，对鱼类和海龟都造成威胁。
"Something about the chemistry of this sea bottom was very favorable to the preservation of bones," Hurum notes.
“这片海床的某些化学特性非常适合于骨骼的保存，”胡拉姆解释说。
“Something about the chemistry of this sea bottom was very favorable to the preservation of bones,” Hurum notes.
“这片海床的某些化学特性非常适合于骨骼的保存，”胡拉姆解释说。
Then others discovered a striped rabbit in the Mekong Delta and a gaudy Indonesian fish that swims by bouncing haphazardly off the sea bottom.
另外，其他一些科学家不仅在湄公河三角洲发现了一种带斑纹的野兔，而且在印尼也发现了一种色彩斑斓的鱼类，这种鱼会在海床上弹跳着前进。
Trawlers drag weighted nets across the sea bottom, not only scooping up every living thing, but also destroying coral and other types of habitat in the process.
捕鱼者用坠网拖过海底，在一网打尽所有生物的同时，还破坏了珊瑚及海底环境。
Fish that live on the sea bottom especially commercially important gadoid fishes like cod and haddock or flatfish like flounder.
生活于海底的鱼，特别指商业价值高的鳕科鱼如鳕鱼以及黑线鳕或者类似比目鱼的鲆鱼。
Since Bohai Sea bottom is in all the time slow drop, so, why it unluckily so shallow?
既然渤海底部一直在缓慢下降，那么，为什么它偏偏又那么浅呢？
Then, six miles below, you come to the sea bottom.
接着，在水下六英里，你来到了海底。
Because deep sea bottom trawling is a recent phenomenon, the damage that has been done is still limited.
因为深海海底拖网捕捞是最近才出现的一种现象，它所造成的损害还是有限的。
A function expansion method as in Liu et al (2007) is used to formulate the mat-type VLFS floating on the wave surface over uneven sea bottom.
采用作者们（2007）提出的函数展开法描述箱式超大型浮体漂浮在不平底部海域中的水弹性响应问题。
The long steel tower extends from the platform located above sea level to the sea bottom.
长的钢塔从高于海平面的平台延伸至海底。
A relatively permanent offshore platform made of welded tubular steel in which the legs are attached to the sea bottom by piles.
由钢管焊接而成的相对永久性的海上平台。平台的腿由桩固定于海底。
A sound made by tapping on the hull of a shop will be reflected from the sea bottom, and depth of the sea at that point can be calculated.
在船体外壳上敲打发出的声音会从海底反射。通过测量敲打与接受回声的间隔时间，这一点的海底深度就可计算出来。
The returned signal from the sea bottom can be recorded by the recorder on a real time basis.
该记录器对海底回波信息的记录是实时的。
Copper zinc type and lead zinc type deposits with different ore elements were formed in Back arc basin of Erlangping Group by sea bottom spout.
二郎坪群弧后盆地在海底喷流作用下形成了不同成矿元素组合的铜-锌型和铅-锌型两种矿床类型。
In trawling, a fishing boat drags a bag-shaped net along the sea bottom. Fish such as cod, flounder, and haddock are caught in this way.
用拖网捕鱼时，渔船拖着一个袋状的网，从海底兜网鱼类。鳕、比目鱼、黑线鳕等都是用这种方法捕捞的。
In trawling, a fishing boat drags a bag-shaped net along the sea bottom. Fish such as cod, flounder, and haddock are caught in this way.
用拖网捕鱼时，渔船拖着一个袋状的网，从海底兜网鱼类。鳕、比目鱼、黑线鳕等都是用这种方法捕捞的。
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