There's a lot of evidence that oily fish, as distinct from fatty meat, has a beneficial effect.

大量证据显示，含油的鱼与肥肉不同，具有益处。

《柯林斯英汉双解大词典》

A pall of oily black smoke drifted over the cliff-top.

一股漆黑的烟雾飘过了崖顶。

《柯林斯英汉双解大词典》

And unlike existing fingerprinting devices, the SLI system isn't hampered by oily skin or a dry environment.

而且跟现有指纹识别设备不同，SLI系统不会因皮肤油腻或环境干燥而无法工作。

youdao

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

VOA: special.2009.09.02

The lipids will form a bi-layer where the water soluble part of the lipid points out of this layer and the oily part points in.

脂质会形成双层膜,水溶性部分朝向膜层外,而脂溶性的部分朝向双层膜内部

耶鲁公开课 - 生物医学工程探索课程节选

He doubled back toward Cambridge on a roundabout and pulled into a lay-by off the highway, a place of oily, littered grass with a kiosk on worn bare ground which sold hot dogs and burgers to lorry drivers.

NEWYORKER: Hand on the Shoulder

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

Scan the sidewalk menus for some chilli crab or the local staple ayam buah keluak (chicken cooked with a dark, oily local nut), or just sip a glass of wine and watch chugging "bumboats" ripple the reflections on the river.

BBC: A perfect day in Singapore