Perikon detector
[电] 双晶体检波器
🧩 词语组成解析
🗣️ 情景例句
It's no big deal.
没什么大不了的。
Dogs that run after many hares kill none.
多谋寡成。
It is no use inviting the politician or the professional or business man,
同样也是无益的，对于政界人士、专业技术人员、商人来说，