living, lying, or occurring below the surface of the waterunderwater plants don't require as much light to grow as surface plantsa vessel designed for underwater exploration
underwater plants don't require as much light to grow as surface plants
a vessel designed for underwater exploration
aquatic, submarine, submerged, sunken
oceanicunderseaabysmal, abyssal, deep, deep-sea, deepwater
in 1627
英语同义词词典收录了63618条英语词条，基本涵盖了全部常用同义词或反义词的辨析及翻译，是英语学习的有利工具。