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
I don't know what I would do without you.
我真不知道没有你们我怎么办。
Please come in; you're right on time.
请进，你正好准时到来。
This bookcase isn't for me.
这个书架不是为我做的，