deoiling

例句：

1. 1. The machine needs to be deoiled before it can be used again.
   这台机器在再次使用前需要脱油。
2. 2.The oily substance needs to be deoiled before it can be disposed of safely.
   这种油性物质在被安全处置之前需要脱油。
3. 3. The chef uses a special tool to deoil the meat before cooking it.
   厨师使用特殊的工具来脱油，然后再烹饪肉类。