Pagos
abbr. program for the analysis of general optical system 通用光学系统分析程序
🗣️ 情景例句
there's a lot to do around the house,
这屋里有很多事可做，
To play with his son
和儿子玩耍
Man-made satellites have been sent up into space by many countries.
许多国家都成功地把人造卫星送入了太空。