n.

1. 壁炉地面；炉床[C]
   A bright fire was burning in the hearth.

   壁炉燃着光亮的火。

2. 炉边；家庭[U]
   I longed to be at my own hearth once again.

   我渴望再回到自己家里。

n.

1. the floor or surround of a fireplace (sometimes used as a symbol of home).
2. the base or lower part of a furnace, where molten metal collects.