cog.

• (=cognate) 同族的，母族的，同种的

英英释义

名词 cog:

1. a subordinate who performs an important but routine function

2. tooth on the rim of gear wheel

动词 cog:

1. roll steel ingots

2. join pieces of wood with cogs

词汇搭配

• have a cog loose 有点不正常
• a cog in the machine 无关紧要的部分,无足...
• slip a cog 判断错误(无理行事...