Double-frequency recording
[计] 双频制
🧩 词语组成解析
double
['dʌbl]
adj. 双的;两倍的;两面派的;双人用的;
vt. 使加倍;把…对折;重复;
vi. 加倍，加倍努力;快步走;
adv. 两倍地;双重地;
n. 两倍;双精度型;
doub二，双+le反复 → 反复两倍 → 翻倍
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
recording
[ri'kɔ:diŋ]
n. 记录，录音;唱片;录了音的磁带;录音的节目;
adj. 记录的，录音的，录影的;自记的;记录用的;
v. 记录，录音，拍摄( record的现在分词);显示，自动记下;标明;发表正式（或法律方面的）声明;
🗣️ 情景例句
Most of the building in this town are rather unattractive, but this church is an exception.
这个城市中大部分建筑都不太好看，但这座教堂是个例外。
How long has it been since you've heard from your uncle?
自从你听到叔叔的消息有多长时间了？
Oh, I live in a small village outside the city.
噢，我住在城外一个小村的一幢房子里。