thermal

• 与热或温度有关的；用来描述保温、导热或由热产生的事物。

Relating to heat or temperature; used to describe something that retains, conducts, or is produced by heat.

1. Relating to heatB2formalscientific

   Connected with or caused by heat.

   热的

   • Thermal energy is essential for power generation.
   • The thermal conductivity of copper is very high.
   • Engineers study thermal dynamics to improve engine efficiency.

   同义词caloriccalorificthermic

   反义词coldcoolfrigid

2. Relating to hot springsC1formalscientific

   Of or relating to naturally occurring hot water sources.

   温泉的

   • The thermal waters of the spa are believed to have healing properties.
   • Iceland is famous for its thermal pools.
   • Thermal springs are often found in volcanic regions.

3. Designed to retain heatB2formaltechnical

   Made or intended to keep heat from escaping.

   保温的

   • Thermal underwear keeps you warm in cold weather.
   • The house has excellent thermal insulation.
   • Thermal curtains help reduce energy loss through windows.

• 指上升的暖空气流，常用于气象学或航空领域。

A noun referring to a rising current of warm air, often used in the context of meteorology or aviation.

1. Rising current of warm airB2formalscientific

   A column of rising warm air, used by birds and gliders to gain altitude.

   热气流

   • The eagle circled in a thermal to gain height.
   • Glider pilots look for thermals to stay airborne.
   • The hot desert ground creates strong thermals.

   同义词updraft