They know how to code, but they're also familiar with the smell of axle grease.

他们知道如何写代码，但是他们也非常熟悉车轴机油的气味。

youdao

It smelled of grain and of harness dressing and of axle grease and of rubber boots and of new rope.

谷仓里还有粮食，马鞍油，车轮油，橡校雨靴以及新绳索，各种各样的味道。

youdao

In Trinidad they donned axle grease and paint for the Carnival festivities, and Harry took lessons from a native on steel drums.

FORBES: Home Fleet Home

Each had its own way of moving through the land and each had its own odor of passage: the railway tracks cut straight ahead, asking no questions of the bedrock through which it sliced, the wrought-iron rails smelling of axle grease and the wooden slats of rancid, licorice-scented shellac.

NPR: Excerpt: 'The Selected Works of T.S. Spivet'