-powered
adjective
 (in combination) denoting a specified source or form of energy that a machine needs in order to work
⇒ 
mains-powered
⇒ 
nuclear-powered
⇒ 
battery-powered radios
| 词汇 | -powered | 
| 词根词缀 | Collins -powered adjective (in combination) denoting a specified source or form of energy that a machine needs in order to work ⇒  mains-powered ⇒  nuclear-powered ⇒  battery-powered radios | 
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