Secon
abbr. secondary electron conduction orthicon 次级电子导电正析像管
🗣️ 情景例句
No smile, no surprise.
不笑 ，就没有惊喜。
You have a radio,don't you?
你有一台收音机，对吗？
The lower gun-ports were now below water and the inrush sealed the ship's fate.
下层炮眼已淹没在水里，涌进船舱的水给瓦萨号带来了难以逃脱的厄运。