Chalnicon
硒化镉视象管, 硒化镉光导摄象管
🗣️ 情景例句
I'm so glad everyone is asleep.
很高兴大家都睡了。
That's why he is now concentrating on conversation at a language school near his home.
这就是他在他家附近的一所语言学校专攻口语的原因。
She's next door.She's in her office, sir.
她在隔壁，在她的办公室里，先生。