radiator
UK/'reidieitә/US
六级C2
释义
n.
A metal device that heats a room by radiating heat
暖气片、散热器（取暖用）
n.
The part of a vehicle engine that cools it by carrying heat away
（汽车的）散热器、水箱
词根拆分
词根派生radi（光线/放射）+ -ator（做某事的东西）=「放射的东西」。取暖的 radiator 把热放射进房间；汽车的 radiator 把引擎的热放射到空气中。功能相同——把热从中心向外抛出。
词根 radi 还连着 9 个词常用搭配
- 1.radiator cap散热器盖
- 2.radiator fluid散热器液
- 3.bleed a radiator给暖气片排气
- 4.radiator hose散热器水管
例句
- 1.
Turn the radiator down a notch; the room is getting too hot.
把暖气片调低一点，房间太热了。
- 2.
The car overheated because the radiator was leaking coolant.
汽车过热了，因为散热器在漏冷却液。