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
You're very lucky to have a caring family.
你很幸运有一个温馨的家庭。
His argument doesn't hold water.
他的论点站不住脚。
There are many stars in the sky.
天上有很多星星。