long wave
US /ˈlɔŋ weɪv/
UK /ˈlɔŋ weɪv/
名词
1.
长波
a radio wave of a wavelength greater than 1,000 meters (frequency less than 300 kHz), used for long-distance communication.
示例:
•
Ships at sea often rely on long wave radio for navigation and communication.
海上船只常依赖长波无线电进行导航和通信。
•
The old radio could pick up stations on the long wave band.
那台旧收音机可以接收长波波段的电台。
在 Lingoland 学习这个单词