pelagic

pelagic
[pɪˈladʒɪk]
adjective
  1. (technical)of or relating to the open sea
    (技)(与)远洋(有关)的
    the kittiwakes return from their pelagic winter wanderings.
    三趾鸥从冬季远洋漫游中归来了。
    ■(chiefly of fish) inhabiting the upper layers of the open sea
    (主要指鱼)栖居上层水面的,浮游的。 常与 demersal 相对
语源
  1. mid 17th cent.: via Latin from Greek pelagikos, from pelagios 'of the sea' (from pelagos 'level surface of the sea')
英语宝典
考试词汇表