修车师傅在发动机零件上涂了一些润滑油。

The mechanic applied some ___lube to the engine parts.

记得定期给自行车链条上油，这样骑行会更顺畅。

Remember to regularly ___lube your bike chain for a smoother ride.

药店里有很多不同类型的润滑剂可供选择。

There are many different types of ___lube available at the drugstore.