adj.水底的；海洋深处的
Tong snakehead has the habits of benthic cave dwellers. 塘鳢有底栖穴居的习性。
Benthic meiobenthos is one of the most important community to biomedical research. 深海小型底栖生物具有重要生物医学研究价值。
adj.(=abyssobenthic)深海海底的
