wavelength
/ˈweɪvleŋθ/noun
1- Physics the distance between successive crests of a wave, especially points in a sound wave or electromagnetic wave. (Symbol: λ).【物理】波长。（符号： λ）。
1.1
- this distance as a distinctive feature of radio waves from a transmitter（无线电）波长。
1.2
- figurative a person's ideas and way of thinking, especially as it affects their ability to communicate with others〈喻〉（尤指能够影响与其他人交流的）想法; 思维方式：
when we met we hit it off immediately - we're on the same wavelength.
我们见面时很快就相处得很好——我们志趣相同。