?沈水泉
... 沈水滨线 submerged shoreline 沈水泉 submerged spring 沈水谷（溺谷） submerged valley (drowned valley) ...
?沉没泉
... 沉没林 submerged forest 沉没泉 submerged spring; submerged submarine springs 沉没塞 sinking plug ...
Connected by a tether, submerged 20 feet, are spring-loaded flippers.
WSJ: A New Wave of Ocean Explorers | Marvels
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。