Secon
abbr. secondary electron conduction orthicon 次级电子导电正析像管
🗣️ 情景例句
Sometimes it sounds a little stubbon.
有时候，这显得有点固执。
Ouch! That hurts.
好痛呦！会受伤哩！
and the railway of the future may well be the 'hovertrain',
未来的火车或许能成为气垫火车，