中英释义：
这些石灰岛原本在海底。
These limestone hills were previously at the bottom of the ocean.
《海洋星球》《Planet Ocean》
在每座海底都市，生命活动都是非自发的。
As in every cosmopolitan city, life in the reef is not spontaneous.
《海洋星球》《Planet Ocean》
女士们先生们，上海海底世界很荣幸向大家介绍世界闻名的美人鱼企鹅。
Ladies and gentlemen, Shanghai Marine World is pleased to present our world-famous Mermaid Penguins.
《马达加斯加的企鹅》《Penguins of Madagascar》
你只需要沿着海底拖你的网，在一个好天气，你一次就能捕到上百磅的虾。
What you do is you just drag your nets along the bottom. On a good day, you can catch over a hundred pounds of shrimp.
《阿甘正传》《Forrest Gump》
如果要搞主题派对的话，先告诉你们我不喜欢夏威夷式，罗马式和“海底式”。
If there's going to be a theme I should let you know that I don't care for luau, toga or under the sea.
《生活大爆炸 第三季》《The Big Bang Theory Season 3》
因此项链，一定跟着船沉入海底了，看到日期没有? 一九一二年四月十四日。
So the diamond had to have gone down with the ship. You see the date? April 14, 1912.
《泰坦尼克号》《Titanic》
这片石化森林是地球海洋里物种最丰富的生态系统，这是名副其实的海底绿洲。
This petrified forest is the most densely populated ecosystem on the ocean planet. A veritable oasis.
《海洋星球》《Planet Ocean》
然后，在一群小鱼中出现了一头鲸，就躺在印度洋深深的海底，一座翡翠城，真美。
And then, among the fishes, a whale. Lying at the bottom of the Indian ocean. Emerald city. Beautiful.
《蝙蝠侠大战超人：正义黎明》《Batman v Superman: Dawn of Justice》
它和恐龙一起野餐，在海底游泳，还爬到了最高的山上。它的一天还挺忙的，结束了。
He had a picnic with the dinosaur, swam under the sea and climbed the highest mountain. That was a busy day. The end.
《小猪佩奇 第三季》《Peppa Pig Season 3》
在那里数据将切换到跨大西洋海底电缆，最终汇聚到加拿大新斯科舍省的哈里法克斯。
Where the data packets will be handed off to submerged trans-Atlantic cables, terminating in Halifax, Nova Scotia.
《生活大爆炸 第一季》《The Big Bang Theory Season 1》
如果你想成为化石，一般来讲，最好的地方是沉积物容易保存的地方，像湖底或海底。山顶或大草原？不靠谱！
Generally, the right place to be if you want to end up a fossil is wherever sediment is actively being deposited, like a lake or an ocean floor. A mountaintop or prairie? Not good!
《TED教育》《TED-Ed》
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海底谷
submarine valley
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海底捞针
fish for a needle in the ocean; look for a needle in a haystack
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海底峡谷
submarine canyon
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海底山
seamount; sea mountain
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海底扩张
sea-floor spreading
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海底区域
seabed area
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海底断裂带
submarine fracture zone
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遨游海底
roam deep under the sea
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海底通讯
submarine cable communication
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海底火山
submarine volcano;submarine volcano
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海底勘察
submarine exploration/survey
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海底深沟
submarine gap
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海底沟
submarine trench
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海底矿
submarine mine
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海底矿床
submarine deposit
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海底采矿
undersea/offshore mining
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海底电报
cablegram; submarine telegraph
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海底电缆
submarine cable
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海底捞月
try to fish out the moon from the bottom of the sea—strive for the impossible/illusory
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海底生物
benthos; benthon
他们在海底锚固了一个浮标。
They anchored a buoy to the seabed.
海底有许多未知的生物。
There are many unknown creatures on the seabed.
公司在海底勘探天然气。
The company prospected the seabed for natural gas.
海底电缆连接了不同的大陆。
The seabed cables connect different continents.
他们计划在海底建造一个实验室。
They plan to build a laboratory on the seabed.
沉船的残骸散落在海底。
The remains of the wreck are scattered on the seabed.
潜水员在海底探寻隐藏的宝藏。
Divers explored the seabed for hidden treasures.
潜艇下潜到海底进行研究。
The submarine descended to the seabed to conduct research.
多年后，船只残骸在海底被发现。
The shipwreck was discovered on the seabed after many years.
这次探测将帮助我们更好地了解海底。
This survey will help us better understand the seabed.