thiên ba
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Meaning
1 senses
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A type of radio wave that is reflected back to Earth from the upper atmosphere.
vi Thiên ba giúp truyền tín hiệu đi xa.
en Skywave helps transmit signals over long distances.
Parts
thiên / ba / Sino-Vietnamese; the character is 天波 …
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OriginSino-Vietnamese; the character is 天波