After more than 10 year's endeavor, China has successfully become a pioneer investor of the international sea-bed area and has exclusive exploitation rights.

经过10多年的努力，中国已成功成为国际海底先驱投资者，获得了专属开发权。

youdao

After more than 10 year's endeavor, China has successfully become a pioneer investor of the international sea-bed area and has exclusive.

经过10多年的努力，中国已成功成为国际海底先驱投资者，获得了专属开发权。

youdao

Seagrass bed: area of the offshore sea-bottom colonized by seagrasses.

UNESCO: L O S S A R Y

Two vessels equipped with sonar are still searching the area, trying to find wreckage on the sea bed.

BBC: Crash blamed on 'major fault'