A wavelength is the distance between a part of a wave of energy such as light or sound and the next similar part.
例句
Sunlight consists of different wavelengths of radiation...陽光由幾種不同波長的射線組成。Blue light has a shorter wavelength than red.藍(lán)光的波長比紅光的短。
N-COUNT
廣播波段
A wavelength is the size of radio wave which a particular radio station uses to broadcast its programmes.
例句
She found the wavelength of their broadcasts, and left the radio tuned to their station.她找到了他們的廣播波段，把收音機(jī)調(diào)到那個位置收聽他們電臺的節(jié)目。
PHRASE
志趣相投;觀點(diǎn)一致
If two people are on the same wavelength, they find it easy to understand each other and they tend to agree, because they share similar interests or opinions.
例句
It's great to work with people who are on the same wavelength.與志同道合的人一起工作真是太棒了。