second

num.第二 a.第二的 n.第二人/物；秒；片刻

seasonally, seasoned, seasoning, seat, seat-belt (also `safety-belt), seating, SEATO, seaward, seawards, seaweed, seaworthiness, seaworthy, sebaceous, sec, secateurs, secede, secession, seclude, secluded, seclusion, second cousin, second floor, second hand, second in command, second lieutenant, second sight, second-best, second-degree, second-guess, second-hand, second-rate, second-string, secondarily, secondary, seconder, secondhand, secondly, secondment, secrecy, secrecy (title),