Secon
abbr. secondary electron conduction orthicon 次级电子导电正析像管
🗣️ 情景例句
But I just sold it and retired.
我前不久把它卖了 然后退休。
I really should be on my way.
我真的该告辞了。
Unfortunately you'll have to pay the fine before you check those books out.
在你借书之前你要先付清罚款。