Variable-frequency
[医]可变频率
🧩 词语组成解析
frequency
['frikwənsi]
n. 频繁性;[数][物]频率，次数;频率分布;
fr + equ =equal,even,表示“相等，平均” + enc + y [形容词后缀] → n.屡次；次数；频率
🗣️ 情景例句
We've been driving for hours with no gas station in sight.
我们开车开了好久也没有看到一个加油站。
I know the boy whose father is a dentist.
我知道那个男孩的父亲是牙医。
Who is in charge here?
这里谁负责？