| 释义 |
medium wave 英/ ?mi?d??m we?v / 美/ ?mi?di?m we?v / - 中波：指频率在300 kHz至3 MHz之间的一系列无线电波。
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The aether, as then postulated, was considered by many scientists to be the medium through which waves of light travelled. - 2
At the time, people believed that light waves, just as sound waves, ocean waves or shock waves, had to travel through a medium. 当时，人们认为，光波就像声波、海浪波或冲击波一样，它们的运行必须穿过介质。 - 3
Sound waves need a medium through which to travel, whether it's air, water, glass or metal. 声波的传播需要媒介，这种媒介可以是空气、水、玻璃或金属。
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