| 单词 | 传播速度 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔FAST〕It's important to realize how quickly this disease can spread. 知道这种疾病的传播速度有多快是很重要的。朗文写作活用〔light〕Nothing can travel faster than the speed of light.任何东西的传播速度都不会超过光速。牛津搭配〔second〕Ultrasonic waves travel at around 300 metres per second .超声波的传播速度约为每秒 300 米。朗文当代〔slow〕We hope to slow the spread of the disease.我们希望能够减缓疾病的传播速度。牛津高阶〔time〕Sound travels four times faster in water than in air.声音在水中的传播速度是在空气中的四倍。朗文当代〔travel〕Sound travels more slowly than light.声音比光的传播速度慢。麦克米伦高阶〔velocity〕Light travels at the highest achievable velocity in the universe.光的传播速度是宇宙中物体所能达到的最高速度。剑桥高阶In air sound waves travel at approximately 330 metres per second.声波在空气中的传播速度约为每秒钟330米。剑桥国际It was amazing how quickly word got round the school--within an hour of the arrest everyone knew.消息在学校内的传播速度快得令人吃惊----逮捕不出一个小时，人人都知道了。剑桥国际Sonic waves travel at approximately 332 metres per second in air at sea level.声波在海平面上每秒钟在空气中的传播速度约332米。剑桥国际 |
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