名詞 radiator:

1. any object that radiates energy
2. heater consisting of a series of pipes for circulating steam or hot water to heat rooms or buildings
3. a mechanism consisting of a metal honeycomb through which hot fluids circulate; heat is transferred from the fluid through the honeycomb to the airstream that is created either by the motion of the vehicle or by a fan

1. Tom was cold so he huddled up against the radiator.
   湯姆感到冷，所以他挨著散熱器把身子縮成一團。
2. The radiator is giving out a lot of heat.
   散熱器釋放出很多熱量。
3. Where's the key for turning off the radiator?
   關散熱器的開關在哪里?
4. The dog nestled up against the warm radiator.
   狗倚著暖烘烘的散熱器。
5. This car has a fan-cooled radiator.
   這部汽車有一個由風扇散熱的冷卻器。

ra.di.a.tor

n.（名詞）
A heating device consisting of a series of connected pipes, typically inside an upright metal structure, through which steam or hot water is circulated so as to radiate heat into the surrounding space.
散熱器：一種由一系列連接的管道組成的加熱器，尤用于直立的金屬結構內，蒸汽或熱水在其內部循環(huán)以向周圍空間釋放熱量
A cooling device, as in automotive engines, through which water or other fluids circulate as a coolant.
冷卻器：一種冷裝置，如用在汽車發(fā)動機內，水或其它流體作為冷卻劑在其為內部循環(huán)
Physics A body that emits radiation.
【物理學】 輻射體：發(fā)出輻射的東西
A transmitting antenna.
發(fā)射天線