Secon
abbr. secondary electron conduction orthicon 次级电子导电正析像管
🗣️ 情景例句
Do you think I have enough to show him?
觉得我有足够的照片给他看吗？
I can only afford to watch television for an hour gonight because I have homework to do.
因为我要做家庭作业，所以今晚我只能花一小时看电视。
They then knew that they had discovered the cause of the fire.
这时调查人员知道他们找到了发生火灾的原因了。