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
I won't insist, but I think it's in your own best interests to quit smoking.
我不会坚持，但我想戒烟对你自己有好处的。
Jest with an ass and he will flap you in the face with his tail.
你跟驴子开玩笑，将被驴尾打耳光。
It is about two hundred metres from his home.
汽车站离他家二百米左右。