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inoh

pinion

/ˈpɪnjən/

含义 1

A small gear that engages with a larger gear.

“The mechanic replaced the broken pinion in the machine.”
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pinion 的插图：A small gear that engages with a larger gear.

含义 2

a wing feather of a bird

“The bird flapped its wings and lost a pinion.”
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pinion 的插图：a wing feather of a bird