HMRG Deep

短语

释义与例句

name
  1. 1.

    Former name of Sirena Deep: a deep in Mariana Trench, Pacific; second deepest place in the Mariana Trench, and third deepest place on Earth.

词源

From the Hawaiʻi Mapping Research Group, which performed a sonar survey of the region in 1997, and discovered the deep.

来源：wiktionary