burnt off的用法和樣例：
例句
- The farmers are burning off the stubble from the fields.
農民們正在把田裡的莊稼殘茬燒掉。 - All her hair was burned off in the fire, but the doctors have promised that it will soon grow in again.
她的頭髮在火災中全部燒掉了，但醫生保證會很快長出來。 - Now that they have gathered in the crops, the farmers are burning off the stubble in the fields.
農民們既然已經收穫了莊稼，現在正在把田裡的麥茬燒掉。
