oily

Fried foods are often very oily and can lead to health problems if eaten in large quantities.

(Chinese) 油炸食品通常很油腻，大量食用会导致健康问题。

He had to wash his hands several times to remove the oily residue from the car engine.

(Chinese) 他不得不洗了好几次手，才洗掉车引擎留下的油腻残余物。