frequency
US /ˈfriː.kwən.si/
UK /ˈfriː.kwən.si/
名词
1.
频率, 次数
the rate at which something occurs or is repeated over a particular period of time or in a given sample
示例:
•
The frequency of his visits increased over time.
他来访的频率随着时间增加了。
•
What is the frequency of the bus service?
公交服务的频率是多少？
2.
频率, 周波数
the number of waves that pass a fixed point in unit time; also, the number of cycles or vibrations undergone by a body in unit time
示例:
•
Radio stations broadcast on different frequencies.
广播电台在不同的频率上广播。
•
The human ear can detect sounds within a certain range of frequencies.
人耳可以检测到一定频率范围内的声音。
在 Lingoland 学习这个单词