seagrass
sea·grass
S5198550 (sē′grăs′)| Noun | 1. |  seagrass - any of various seaweeds that grow underwater in shallow beds; "seagrass provides a protective environment in which young fish can develop" |
英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。