Sonar
Nghĩa
Thiết bị định vị sonar
Phát âm
UK ˈsəʊnɑː(r)
US ˈsəʊnɑːr
Câu ví dụ
- Echolocation is like a natural sonar system that helps them navigate and detect objects.
- Scientists also use sonar technology to map the shape of the ocean floor.
- Sonar sends sound waves down into the water and measures how long they take to return.
- This process, called echolocation, works like a kind of natural sonar system.
- However, noise from ships, sonar systems, and construction is getting louder every year.
Học Sonar trong ngữ cảnh
How Scientists Explore Deep WaterThe deepest part of the ocean is deeper than the tallest mountain on Earth is tall. Scientists have always wanted to explore these mysterious underwater worlds. They use special machines called submer...Đọc bài 
The Sound of Life UnderwaterMost people think the ocean is a quiet place, but it is actually full of sound. Hundreds of different animals produce noises under the water every single day. Whales are famous for their long, beautif...Đọc bài
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