c. 1300, "cog wheel;" late 14c., "tooth on a wheel," probably a borrowing from a Scandinavian language (compare Norwegian kugg "cog") and cognate with Middle High German kugel "ball."
双语例句
1. Mr Lake was an important cog in the Republican campaign machine.
莱克先生是共和党竞选机器中一枚重要的螺丝钉。
来自柯林斯例句
2. COB. TAB. COG mould train technology.
COB. TAB. COG模组工艺技术制作.
来自互联网
3. TAB. COG mould train technology.
TAB. COG模组工艺技术制作.
来自互联网
4. The shear strength of COG and COF bonded with ACF is studied by impact test.