Sector scan
[电] 扇形扫描
🧩 词语组成解析
scan
[skæn]
vt. <计>扫描;细看;细查;（雷达）对…进行扫描;
n. 扫描;浏览;审视;（雷达）（屏面上的）光点;
vi. （光束、雷达等）扫描;扫略;（诗歌）符合韵律;标出诗歌的格律;
scan(climb)→审讯；按韵律吟诵
🗣️ 情景例句
How much do I owe you?
我应付多少？
He is indifferent to any and everything.
他对任何事都漠不关心。
No, more, about 130 years ago. Most of the slave owners were rich farmers who lived in the south. They wanted to keep their slaves.
不，还要早，大约130年前。大多数奴隶主都是住在南方的富有的农场主。他们想保留自己的奴隶。