ingot iron

例句：

1. 1.The forge was filled with the glow of molten iron.
   熔炉里充满了熔化的铁的光亮。
2. 2. The blacksmith had to work with an iron ingot that was too large for him.
   黑铁匠不得不用一块对他来说太大了的生铁块工作。
3. 3. The ingot was carefully cut into small pieces for use in the machine.
   这个生铁块被小心地切成小块，用于机器中。