seaweed

n.海草，海藻

searchingly, searchlight, seascape, seashore, seasick, seasickness, seaside, season, seasonable, seasonably, seasonal, seasonally, seasoned, seasoning, seat, seat-belt (also `safety-belt), seating, SEATO, seaward, seawards, seaworthiness, seaworthy, sebaceous, sec, secateurs, secede, secession, seclude, secluded, seclusion, second, second cousin, second floor, second hand, second in command, second lieutenant, second sight, second-best, second-degree, second-guess,