单词：sprockets
音标：[ˈsprɔkits] ；
n. 链轮齿( sprocket的复数形式 )
n. roller that has teeth on the rims to pull film or paper through
n. thin wheel with teeth that engage with a chain
n. tooth on the rim of gear wheel
n. thin wheel with teeth that engage with a chain
n. tooth on the rim of gear wheel