convection

• 指通过液体或气体的流动来传递热量，由分子运动引起；也指热量或其他属性在大气中的垂直输送。

A noun referring to the transfer of heat through a fluid caused by molecular motion, or the vertical movement of heat or other properties within the atmosphere.

不可数

1. Heat transfer in fluidsB2formalscientific

   The process by which heat is transferred through a fluid (liquid or gas) due to the movement of molecules.

   流体中的热传递

   • Convection currents in the pot caused the water to boil evenly.
   • Radiators heat a room primarily through convection.
   • The Earth's mantle undergoes slow convection, driving plate tectonics.

2. Atmospheric motionB2formalscientific

   The vertical movement of heat, moisture, or other properties within the atmosphere, often leading to cloud formation and weather patterns.

   对流

   • Strong convection in the atmosphere can lead to thunderstorms.
   • Meteorologists study convection to predict severe weather.
   • Warm air rising due to convection creates low-pressure areas.