). It is easy for them to go deep into the ocean.Their bones are soft. This helps them stand strong... deep into the ocean.They don’t have swim bladders (鱼鳔). It is easy for them to go deep ……

health concern.NASA workers go into deep ocean for experimentsA FLIGHTsurgeon(外科医生), twoastronauts(宇航员) and a doctor began a 12-day NASAmission(任务) to the deep ocean off the Florida coast last Monday ……

to celebrate the beauty and importance of the world’s oceans. To go deep into the ocean, humans have made...深水潜艇). The submarines go thousands of meters deep and bring back soil and animals, as well as photos and videos ……

or animals in the deep ocean? To find out, many countries have built submarines (潜水艇) to go deep... to the Mariana Trench in 2012. China also wants its scientists to go deep into the ocean. So the country ……

? This is a mystery to us. So many countries have built ocean submarines (潜艇) to help scientists go deep... to hospitals, patients and society, Shao said to the BBC.Deep ocean explorationAbout 70 percent ……

; lights from a buoy (浮标). The lights go deep in the water and attract ocean animals from the depths...)” lights from a buoy (浮标). The lights go deep in the water and attract ocean animals from ……

swim down to see the fish and plants. We'll have fun in three ocean parks (海洋公园). Let's go! The Earth...的) point of the Earth. It's the Mariana Trench (马里亚纳海沟). It's 10,924 meters deep.The highestAtlantic Ocean ……

200 to 300 meters deep. It helps people study ocean life closely.People also use underwater robots to explore the ocean. They can go up and down to get useful data (数据) about the temperature (温度 ……

will break if they go too deep in the sea. But this robot’s soft body helps it stand the ocean... a real fish. Some robots will break if they go too deep in the sea. But this robot’s soft body ……

the ship works. Deep ocean experts will go with them through the whole trip. A ticket will cost about $105... event and the shipwreck (沉船) now lies 4,000 meters deep in the Atlantic Ocean. Recently, a tour agency ……

人形潜水机器人可下深海打捞。Meet OceanOne, a robot (机器人) that can dive (潜水) and work under the sea. Standing only 1.5 meters tall, OceanOne can go down 2,000 meters deep (深的) in the ocean (海洋). A team of US ……

to see its staircase (楼梯). A pilot and a deep ocean expert will go with them. However, the trip... on April 15, 1912 and is still resting at the bottom of the North Atlantic Ocean at a depth of 4,000 ……

Deep down at the bottom of the ocean it's as black as night. Divers have to take torches so they can see. So, it's no surprise that fish that live more than 800 metres below the ocean surface don ……

This was no time for play.This was no time for fun. This was no time for games.There was work to be done.All that deep, deep, deep snow, All that snow had to go. ……

; 测试见IV版     建议阅读时间  5分钟  How deep can submersibles (潜水艇) go into the sea...,909 meters in the Challenger Deep located at the Mariana Trench in the western Pacific Ocean ……