单词:total propulsive efficiency
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说一口流利的英语,从简单的单词开始。 听听,读读,背背,今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 hook He hung his coat on the hook behi
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'Up All Night' Melds Country With Modern Rock Edge Up All Night, has brought the Georgia native praise from many music critics. Country Music Televisions website writer Chet Flippo said, I have to say I have not heard a more compelling and appealing
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American Millionaire space tourist Dennis Tito has unveiled plans to send a man and a woman around Mars in January 2018. The couple will embark on the 500-day journey which zooms past Mars and swings back to Earth as part of a historic Mission for Am