grease way

例句：

1. 1. The car's engine has a grease way to the oil pan.
   汽车发动机有一个通往油盘的润滑油道。
2. 2.The engineer greased the way for the project by presenting a favorable report.
   工程师通过提交一份有利的报告为项目铺平了道路。
3. 3. The new road was designed with grease ways to prevent potholes.
   新的道路设计有防止坑洼的润滑路径。