| 单词 | unpowered |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔barge〕A long, large, usually flat-bottomed boat for transporting freight that is generally unpowered and towed or pushed by other craft.大型平底船，驳船：一种长且大，通常平底的船，用于运输通常无动力、由其它船只拖拽或推着前进的货物美国传统〔parachute〕Any of various similar unpowered devices that are used for retarding free-speeding or free-falling motion.缓降物：用于阻碍加速前进或自由落体运动的几种类似无动力装置中的一种美国传统 |
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