. You can see 40 meters underwater. A dead body was found, next to a small boat that had tipped (翻倒... saw him swimming in the lake,” said the friend. “Why are you lying (说谎)?” Timo asked the friend ……

water. You can see 40 meters underwater. A dead body was found, next to a small boat that had tipped... usually saw him swimming in the lake,” said the friend. “Why are you lying (说谎)?” Timo asked ……

About 75% of all volcanoes (火山) are underwater (在水下). ……

Ninety percent of an iceberg (冰山) is underwater (在水下). ……

large parts, so robots are a valuable tool. One of the first underwater robots was Alvin, which... underwater explorations even greater. In 2009, an underwater robotic vehicle known as Scarlet Knight ……

Good news for swimmers! Do you want to talk with friends underwater(在水下)? Get a Water Talky like this. ……

such a long time ago, you can clearly see the fossilized trees, standing or lying, as well... see the fossilized trees, standing or lying, as well as their leaves, roots (根) and fruits. So ……

are blue.An underwater garden 水下花园The Great Barrier Reef is home to thousands of different life forms (形式... sea stars are just lying under the seabed. Watch out! Some sea animals are very dangerous. One kind ……

your trip!An underwater garden水下花园The Great Barrier Reef is home to thousands of different life forms... are playing. Lazy sea stars are just lying under the seabed. Watch out! Some sea animals are very ……

Breathe underwater with this mask:Does this mask look strange? Japanese scientist Jun Kamei..., allowing humans to breathe underwater. It does not supply enough oxygen for humans yet, but Jun hopes ……

助人为乐的黄貂鱼助人为乐的黄貂鱼This helpful stingray likes to show you around the underwater world.  PAGE 2This helpful stingray likes to show you around the underwater world.  PAGE 2 ……

ICProfessor Joseph Dituri (R) from University of South Florida, US, is spending 100 days underwater for scientific research from March to June. He wants to study how underwater pressure (压力) affects ……

瑞士一家汽车公司发明了一款新车。It goes on roads and underwater. ……

, India and Africa would decrease by 10 to 30 percent and low-lying island nations like the Maldives would probably be underwater.As UN Secretary-General Ban Ki-Moon put it in The Guardian, “Climate ……

On average, people canhold their breath(憋气) for one minute. The world record is held by Tom Sietas of Germany. He held his breath underwater for 8 minutes, 47 seconds! ……