中ちゅう波は長ちょう

noun

medium wave

Technical term in radio broadcasting; refers to the medium wave band (approximately 300 kHz to 3 MHz).

• 中ちゅう波は長ちょうのラジオ放ほう送そうは夜や間かん遠とおくまで届とどく。

  Medium wave radio broadcasts can reach far at night.