Secam
abbr.SEquential Couleur Avec Memoire, SECAM制式(顺序与存储彩色电视系统)
🗣️ 情景例句
If you educate the public about dangerous diseases they can protect themselves, which will help to halt the spread.
如果你能教育公众如何来防治危险疾病，他们就能够保护好他们自己，从而阻止疾病的传播。
Besides the required courses, I'm taking an elective in the Lab Science.
除必修科目外，选修科目我选了实验科学。
The men were now obliged to try once more.
工人们只得再来一次。