carbonizing by stir-frying

例句：

1. 1. The wood was carbonized by the fire.
   木头被火炭化了。
2. 2. The coal was carbonized during the process.
   煤炭在加工过程中被炭化了。
3. 3.The charcoal was carbonized in a kiln.
   木炭在窑中被炭化了。