海底热泉 hǎidǐrèquán hydrothermal vent Definitions Defs Origin Strokes Stroke Words Sentences Sents 海底 hǎidǐ noun seabed the deep sea; the depths of the ocean; seabed; seafloor热 熱 rè adjective hot hot in temperature; feeling hot; the opposite of 冷 lěng泉 quán noun spring (bound form) spring; fountain; water flowing from the ground