1. a subordinate who performs an important but routine function;

   "he was a small cog in a large machine"
   

2. tooth on the rim of gear wheel

1. roll steel ingots

2. join pieces of wood with cogs

1.（嵌）齿轮
Acog is a wheel with square or triangular teeth around the edge, which is used in a machine to turn another wheel or part.

2.(大型机构或团体中的)一小分子
If you describe someone asa cog in a machine orwheel, you mean that they are a small part of a large organization or group.

cog是什么意思

e.g. Mr Lake was an importantcog 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。

1. cog什么意思

1. 齿轮：在固定齿轮车上来说,动力组包含了曲柄(Crankset)、齿盘(Chainring)链条(Chain)、钳齿轮(cog)、天心碗(BB,Bottom Bracket),踏板也属於动力组,但这边暂时不做介绍.

2. 鉗齒輪：阿财写:动力组基本上包含区柄(crankset)、大盘(chain ring)、钳齿轮(cog)、鍊条(chain)与踏板(pedal),每个零件受力都很大,不过如果安装正确,其实都很难烂掉.

3. [机]嵌齿, 小船 <单词词性>上齿轮, 欺骗：assignment statement 指定陈述 |cog [机]嵌齿, 小船 上齿轮, 欺骗 | Echinacea [动]海胆亚目

4.cog：coking tail gas; 焦炉煤气

5. cog什么意思

5.cog：the centre of gravity; 重心

6.

6.cog：coke oven gas; 煤气

7. cog的意思

7.cog：coke-oven gas; 焦炉气