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
Are you new in town?
你是新来本地的吗？
Won't you have a bit of this cake?
请尝一点蛋糕吧！
Is the fire out?
火熄了吗？