Parts of the machine were grinding together noisily.

机器零件摩擦发出刺耳的声音。

《牛津词典》

They observed how the parts of the machine fitted together.

他们观看了机器零件的组装过程。

《牛津词典》

The machine parts went hot.

这机器零件发热。

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Car parts, machine tools and Harley-Davidson motorcycles are only a few of its products.

ECONOMIST: Swing states: Wisconsin

Late last year he brought in two veteran Texas Instruments managers to focus efforts on nearer-term products, such as microelectronic machine parts maybe several thousand nanometers across, to bring in some research money.

FORBES: The Science of Small

In the suit, O'Bannon and his supporters argue that athletes are crucial parts of a college-sports machine that is worth billions annually and that barring them from reaping some of those revenues violates the Sherman Antitrust Act by artificially fixing prices.

WSJ: College Sports and the Giant Albatross��Rachel Bachman