Secon
abbr. secondary electron conduction orthicon 次级电子导电正析像管
🗣️ 情景例句
You think so?
你这样认为？
Great souls suffer in silence.
伟人受苦，声色不露。
What will be the population of these countries by the end of the twentieth century?
到20世界末较发达国家的人口将是多少？