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To listen for changes in ocean structure. To listen for changes of ocean currents or volcanic activity. To Make sure whether there was a giant squid deep in the ocean. To follow the track of the Soviet warships under water.
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finished your report known your English teacher gone to Beijing opened the shop on taobao
as though now that before long in case
The discovery of many "Living Fossils". The discovery of the fossils of lobsters. The discovery of a live Coelacanth. The discovery of the fossils of sea urchins.
Megalodon, the largest shark, is extinct Megalodon is not extinct but just out of reach Megalodon was 52 feet long and had a jaw 7 or more feet wide Megalodon lived between several million years ago.
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Scientists’ discoveries always change people’s belief. There are too many secrets to be discovered. Megalodon may be still alive deep in the ocean. "Deep sound channel" allows sound waves to travel undisturbe
have been known to scientists for many years have only recently been discovered are known by us will probably remain a mystery
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A strange, powerful animal sound was heard. A big whale’s sound was heard. A sea monster’s sound was heard. A giant squid’s sound was hear
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it’s really too long but I found it interesting that’s why I feel a little tired I think we shouldn’t have been here
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