電波
dianˋ bo¯
Electrical wave, Electro-magnetic wave
無線電波
Radio waves
wuˊ xianˋ dianˋ bo¯
無線電波望遠鏡
Radio telescope
wuˊ xianˋ dianˋ bo¯ wangˋ yuanˇ jingˋ
要夠長的天線可以收到無線電波
Need an antennae long enough to pick up radio waves
yaoˋ gouˋ changˊ de˙ tian¯ xianˋ keˇ yiˇ shou¯ daoˋ wuˊ xianˋ dianˋ bo¯
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