DICT.TW Dictionary Taiwan

 stay·er /ˈsteɚ/
 滯留者,耐性極強的人,抑制物,支持者

 Stay·er n. One who upholds or supports that which props; one who, or that which, stays, stops, or restrains; also, colloquially, a horse, man, etc., that has endurance, as in a race.
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 stayer
      n : a person or other animal having powers of endurance or
          perseverance; "the horse that won the race is a good
          stayer"