He was wiping his hands on an oily rag.

他在一块油乎乎的抹布上擦着双手。

《柯林斯英汉双解大词典》

Salad is healthy, yes, but get an oily or creamy dressing and you could make it as fattening as a burger.

没错，色拉是健康食品，但加入含油或含奶油的调料，你会让它变得像汉堡包一样容易使人发胖。

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I couldn't make out the next couple of lines, owing to an oily splotch of what smelled like suntan lotion.

我几乎不能辨认出下一句话，因为这里有一个闻起来像防晒霜式的油斑。

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The artist draws an image with oily ink onto a piece of stone or other flat surface.

VOA: special.2009.09.02

Hershkowitz says,ideally, the Gulf cleanup's oily trash should be disposed of in an energy-producing furnace, but there are currently no facilities large enough to handle the volume of waste being generated by the cleanup efforts.

VOA: standard.2010.08.05

He said the threats contained references to the debate on gun laws and an oily pinkish-orange substance.

WSJ: Union: NY mayor threats postmarked Shreveport, La.

Dead and alive birds were also reported covered in an oily substance on a beach at Bantham in south Devon.

BBC: Dead bird on beach between Downderry and Seaton

The other side of the antibiotic contains an oily surface that is attracted to the greasy interior portion of the membrane.

FORBES: Magazine Article