Secam
abbr.SEquential Couleur Avec Memoire, SECAM制式(顺序与存储彩色电视系统)
🗣️ 情景例句
Could be.
也许。
To send mail(a letter)
邮寄邮件
Boxing matches were very popular in England two hundred years ago.
两百年前，拳击比赛在英国非常盛行。