Subaudible frequency
[电] 可闻限下频率
🧩 词语组成解析
次声频的
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
They are eager to learn English.
他们急着要学英语。
The chances for a promotion look really good, but before I get too old I want to see the world.
提升的机会确实无可挑剔，但是在我变得太老之前，我想去看看世界。
Later, the Crystal Palace was moved to South London.
后来，“水晶宫”被移到了伦敦南部。