kerosene wick

例句：

1. 1.The old lamp was replaced with a new kerosene wick.
   旧的灯被新的煤油灯芯所替换。
2. 2.The candle wick flickered in the darkness.
   蜡烛芯在黑暗中闪烁。
3. 3.The kerosene wick was so thin that it barely held a flame.
   煤油灯芯太薄了，几乎不能点燃火焰。