hadal

a. 超深渊的,离海面6000米以上深水中的

发音

/ˈheɪdəl/

释义与例句

adj.
  1. 1.

    Of or relating to the deepest parts of the ocean.

词源

From French hadal, from Hadès + -al. By surface analysis, had- + -al.

来源：wiktionary