unoiled

adj.未加油的 未上油的 未涂油的

未上油的；未润滑的

形容词

1. The door hinge is squeaking because it is unoiled.
门的铰链因为没上油而吱吱作响。
2. The bicycle chain is rusty and unoiled, making it difficult to ride.
自行车的链条生锈了，没上油，骑起来很困难。