seasonal

a.季节的，季节性的

seaport, sear, search, search after, search for, search out, search-party, search-warrant, searcher, searching, searchingly, searchlight, seascape, seashore, seasick, seasickness, seaside, season, seasonable, seasonably, seasonally, seasoned, seasoning, seat, seat-belt (also `safety-belt), seating, SEATO, seaward, seawards, seaweed, seaworthiness, seaworthy, sebaceous, sec, secateurs, secede, secession, seclude, secluded, seclusion,