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Pinion
01
羽翼, 飞羽
a specific section of a bird's wing that includes the flight feathers
02
大羽毛, 翅膀的大羽毛
any of the larger wing or tail feathers of a bird
03
小齿轮, 小齿轮齿
a gear with a small number of teeth designed to mesh with a larger wheel or rack
to pinion
01
剪掉翅膀, 限制翅膀
cut the wings off (of birds)
02
束缚, 绑住
to tie someone's arms, typically to restrain movement
pinion
n
