A candle is a stick of hard wax with a piece of string called a wick through the middle. You light the wick in order to give a steady flame that provides light. 蜡烛
noun [专属名词] 蜡烛;旧烛光,国际烛光(发光强度单位)
The bedroom was lit by a single candle. 卧室被一支蜡烛照亮。
verb [vt. 及物动词] 对着光检查
The candle had burned right down. 这支蜡烛已全烧完了。