Frequency-modulated radar
[电] 调频雷达
🧩 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
a. 已调的；被调的
radar
['redɑr]
n. 雷达;雷达装置;无线电探测器;
🗣️ 情景例句
Eight straight-back chairs. Thirty folding chairs.
八张直背椅。三十张折摺椅。
An old fox is not easily snared.
老狐狸难得陷罗网。
' I looked down and nearly fell off the ladder when I saw a policeman.
”我向下面看去。当我看清是一个警察时，差一点儿从梯子上掉下去。