Oslc
abbr. optical fiber subscriber loop carrier (equipment) 光纤用户环路载波（设备）
🗣️ 情景例句
Oh! Hi, Grandpa. Yes, of course, I am, but my mind isn't.
噢， 嗨， 爷爷。是的， 当然， 我准备好了， 但是有点心事。
Is the departure time on schedule?
起飞时间准时吗？
Last week, my four-year-old daughter, Sally, was invited to a children's party.
上周，我4岁的女儿萨莉被邀请去参加一个儿童聚会。