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
It has been raining constantly for two days.
雨连续下了两天。
I will be flying to Canada at this time tomorrow.
我将在明天这个时候飞到加拿大。
In 1626 the island of Manhattan was bought from local Indians, Native Americans, for a handful of goods worth about $24.
曼哈顿岛是于1626年从当地的印第安人（即美洲土著人）手中买来的，只花了价值约为24美元的为数不多的货物