cog

US /kɑːɡ/
UK /kɑːɡ/
"cog" picture
1.

齿轮, 齿

a wheel or bar with a series of projections around its edge, which transfers motion by engaging with projections on another wheel or bar

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The broken cog prevented the machine from working.
坏掉的齿轮导致机器无法工作。
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Each cog in the clockwork mechanism is essential.
钟表机构中的每个齿轮都至关重要。
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geartoothsprocket
2.

齿轮, 小角色

a subordinate person in a large organization

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He felt like a small cog in a giant machine.
他觉得自己只是庞大机器中的一个小齿轮。
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Every cog in the company plays a role, no matter how small.
公司里的每个齿轮都发挥着作用，无论多么微小。
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subordinatecomponentelementpart
1.

啮合, 连接

to engage a cog with another to transmit motion

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The engineer carefully cogged the gears together.
工程师小心翼翼地将齿轮啮合在一起。
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The machine needs to be properly cogged for optimal performance.
机器需要正确啮合才能获得最佳性能。
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meshengageinterlock