“波长”的拼音为：bō cháng...

蓝光的波长比红光的短。Blue light has a shorter wavelength than red.广播1台已经用这个波长广播多年了.Radio One has broadcast on this wavelength for years.当局无法干扰这一波长.The authorities were unable to jam this wavelength....

“波长”的英语可以翻译为：[物] wavelength，wavelengh，[电影]Wavelength...