| 单词 | perpetual motion |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔dynamo〕Onstage she is a human dynamo, spending the hour in perpetual motion.她在舞台上总是那么精力充沛，一刻也闲不着。剑桥高阶〔perpetual motion〕We're all in a state of perpetual motion in this office(= we're always moving around or changing things).我们这个办公室里大家总在忙得团团转。牛津高阶 |
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