timing

n.时间选择，时间安排；计时，定时；(速度等的)调整，同步

time-sheet, time-signal, time-switch, time-table, time-worn, timekeeper, timeless, timelessly, timelessness, timeliness, timely, timepiece, timer, times, timetable, timetable (also esp US schedule), timeworn, timid, timidity, timidly, timorous, timorously, timorousness, timpani, timpanist, tin, tin foil, tin hat, tin plate, tin whistle, tin-opener, tin-pan alley, tin-tack, tincture, tinder, tinder-box, tine, ting, ting-a-ling, tinge,