对流 duìliú convection
How to remember 对流: 对 correct + 流 flow = convection.
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How it is used
- Convection - the physics/meteorology term for heat or air circulating: 空气对流 (kōngqì duìliú) air convection; 对流层 (duìliúcéng) the troposphere.
- Technical vocabulary (weather, HVAC, cooking), not everyday chat.
- Describes fluid/air rising and sinking to transfer heat.