例句與造句

1. The pile was ignited inside the fire shaft and, at a temperature of between 300 and 350 癈, the carbonization process began.
2. Logs were arranged in a conical heap ( a charcoal kiln or pile ) around posts, a fire shaft was made using brushwood and wood chips and covered with an airtight layer of grass, moss and earth.
3. It's difficult to find fire shaft in a sentence. 用fire shaft造句挺難的