Perikon detector
[电] 双晶体检波器
🧩 词语组成解析
🗣️ 情景例句
You know something, Ellen?
知道一件事吗， Ellen？
I played ping-pong this morning.
我今早在打乒乓球。
The village no longer existed because it had been submerged, and all the valley too.
村庄已不复存在，因为已经为水所淹，山谷也被水淹没了。