radiator
🇬🇧/ˈreɪdieɪtə(r)/ 🇺🇸/ˈreɪdieɪtər/📚 13764 25 1六级A radiator is a hollow metal device, usually connected by pipes to a central heating system, that is used to heat a room. 暖气片
noun [专属名词]暖气片，散热器；（暖气片型）燃油炉，电热器；（车辆或飞机发动机的）冷却器，水箱；辐射体，辐射源
The hostage had been shackled to a radiator. 当时人质被铐在暖气片上。
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