Infra acoustic frequency
[电] 低声频
🧩 词语组成解析
adv. 在下, 以后\\n[法] 在下, 以下
acoustic
[ə'ku:stik]
adj. 听觉的;声学的;原声的;音响的;
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
At this hour?
在这个时候？
Wealth is not his who has it, but his who enjoys it.
财富并不属于拥有的人，而是属于享用的人。
She had lived in the flat for thirty years and was a veritable magpie at hoarding;
老妇人在这套公寓里住了30年，她又是个名副其实的收藏家。