Sweep-frequency record
[电] 扫描频率记录
🧩 词语组成解析
sweep
[swip]
vt. 打扫，清理;扫除;彻底搜索;掠过;
vi. 打扫;扫过;蜿蜒;大范围伸展;
n. 打扫;延伸;挥动;全胜;
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
record
['rekɔd,ri'kɔ:d]
n. 记录，记载;档案，履历;唱片;最高纪录;
🗣️ 情景例句
He was left in charge of the shop while the manager was away.
经理不在时他负责这个商店。
No, it isn't. It's a bus.
不，那是一辆公共汽车。
There's nothing much I can do.
这事情我无能为力。