soak degreasing

例句：

1. 1. The machine needs to be degreased before it can be used again.
   这台机器在使用前需要先进行脱脂处理。
2. 2. The oily substance was removed by the degreasing process.
   通过脱脂过程，将油质物质去除。
3. 3. The factory uses a special degreasing agent to remove grease from machinery.
   工厂使用一种特殊的脱脂剂来从机械中去除油脂。