Double sideband
[电] 双旁带
🧩 词语组成解析
double
['dʌbl]
adj. 双的;两倍的;两面派的;双人用的;
vt. 使加倍;把…对折;重复;
vi. 加倍，加倍努力;快步走;
adv. 两倍地;双重地;
n. 两倍;双精度型;
doub二，双+le反复 → 反复两倍 → 翻倍
[电] 边带
🗣️ 情景例句
We appreciate your interest in our firm, however, and thank you for writing.
我们感谢你对我们公司表示的兴趣，谢谢你的来信。
Perish the thought
打消念头
It was from the study of these that so much was learnt about the interior of the earth.
正是从这两种波的研究中，我们可以了解到地球内部的许多情况。