candle coal

例句：

1. 1. The candles were made from this type of coal.
   这些蜡烛是用这种煤制成的。
2. 2.The old house had a lot of candle coal left over from the past.
   这座老房子有很多蜡烛煤，都是过去留下的。
3. 3. The candle coal was used to light the room during the winter months.
   在冬天，蜡烛煤被用来点亮房间。