sprocket

/ˈspɹɒkɪt/ 名词 C2

中文：链轮

A toothed wheel that enmeshes with a chain or other perforated band.
The tooth of such a wheel.
A flared extension at the base of a sloped roof.
A placeholder name for an unnamed, unspecified, or hypothetical manufactured good or product. · Suppose we have a widget factory that produces 100 widgets per year, and a sprocket factory that produces 200 sprockets per year.

复数 sprockets

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