Upper sideband
[电] 高边带
🧩 词语组成解析
upper
['ʌpə]
adj. 地位较高的;上面的;内地的;地表层的;
n. 鞋帮，靴面;兴奋剂;令人兴奋的经历;
[电] 边带
🗣️ 情景例句
It leaves at 5:20.
五点二十分开。
Who's the second?
下一位是谁？
As the cry was repeated several times, she ran to tell the manager who promptly rang up the fire brigade.
由于这种喊叫声重复了几次，她跑去报告经理，经理当即给消防队挂了电话。