| 单词 | at a speed of |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔SPEED〕The Earth moves round the Sun at a speed of 30 km per second. 地球以每秒30公里的速度绕太阳运行。朗文写作活用〔proceed to〕This flight is now proceeding to Paris at a speed of 1 000 kilometres an hour.这次飞行现在正以每小时一千公里的速度向巴黎进发。21世纪英汉〔revolutions per minute〕This motor operates at a speed of 5,000 revolutions per minute.这台发动机以每分钟5000转的速度运转。韦氏高阶〔run〕The train is running at a speed of 90 miles an hour.那列火车正以每小时九十英里的速度行驶。文馨英汉〔sound〕Sound travels through the air at a speed of about 344 meters a second.声音大约以每秒344公尺的速度，在空气中传播。文馨英汉〔speed〕He drove at a speed of 120 kilometers an hour.他以每小时120公里的速度开车。文馨英汉〔speed〕He drove at a speed of forty miles per hour.他以每小时40英里的速度驾车行驶。英汉大词典〔speed〕He types at a speed of about 50 words per minute. = His typing speed is about 50 words per minute.他以大约每分钟50个单词的速度打字。韦氏高阶〔speed〕He was travelling at a speed of 90 mph.他以每小时90英里的速度行进。剑桥高阶〔speed〕The truck was travelling at a speed of 50 mph.卡车正以 50 英里的时速行驶。朗文当代The cheetah can run at a speed of 110 km/h.猎豹能以每小时110公里的速度奔跑。剑桥国际The rocket will travel to Mars at a speed of over 25 000 miles per hour.火箭将以每小时25 000英里的速度飞向火星。剑桥国际The train is travelling at a speed of sixty miles an hour. 火车正以每小时六十英里的速度行驶。译典通 |
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