sink below the surface; go under or as if under water
同义词：submerse
cover completely or make imperceptible
同义词：drown??/??overwhelm
put under water
fill or cover completely, usually with water
同义词：inundate??/??deluge
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。