Cog

usgb/kɑːɡ/Volume
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Physical ObjectPlay
Cog refers to the physical gears inside machines and devices. SlideWhen you open the back of a watch, you can see the tiny cogs working together.
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Essential RolePlay
Each cog is crucial for the overall function, much like pieces of a puzzle. SlideIf one cog breaks, the entire mechanism could stop working.
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Mechanical ContextPlay
Cog is usually used in contexts related to machinery or mechanics. SlideThe engineer explained how the cogs transfer motion within the engine.