Envelope detector
[电] 检波器
🧩 词语组成解析
envelope
['envələʊp]
n. 信封，封皮;壳层，外壳;包裹物;[生物学]膜，包袋;
en 表示\"进入…之中，包围\" +velop =cover（盖上） +e → .信封, 封套, 封袋, [天]包层, [数]包迹, [生]包膜
🗣️ 情景例句
Well, I think I may have found a way to do it.
噢， 我想我也许已找到一种办法。
Education for women has improved in leaps and bounds.
妇女教育十分迅速地得到了改善。
You had it when I last saw you.
我上次见你时你还有的。