pinion

ion design ion

pinion n.

小齒輪

英英解釋:名詞pinion:
1. a gear with a small number of teeth designed to mesh with a larger wheel or rack
2. any of the larger wing or tail FEATHERS of a bird
同義詞：flight feather, quill, quill feather
3. wing of a bird
同義詞：pennon
動詞pinion:
1. bind the arms of
同義詞：shackle
2. cut the wings off (of birds)