pinion

n small cog-wheel with teeth which fit into those of a larger cog-wheel 小齿轮; 副齿轮. Cf 参看 rack1 3.

pin-stripe, pin-table, pin-up, pinafore, pinafore dress, pince-nez, pincer, pincer movement, pinch, pinchbeck, pinched, pincushion, pine, pine-cone, pine-needle, pineal, pineal gland, pineapple, ping, ping-pong, pink, pink gin, pink-eye, pinkie (also pinky), pinking shears (also pinking scissors), pinkish, pinnace, pinnacle, pinnate, pinny, pinpoint, pinprick, pins and needles, pint, pint-sized, pinto, pioneer, pioneering, pious, piously,