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Pinion
01
a specific section of a bird's wing that includes the flight feathers
02
any of the larger wing or tail feathers of a bird
03
a gear with a small number of teeth designed to mesh with a larger wheel or rack
to pinion
01
剪掉翅膀
cut the wings off (of birds)
02
剪掉翅膀
to tie someone's arms, typically to restrain movement
