Oslc
abbr. optical fiber subscriber loop carrier (equipment) 光纤用户环路载波（设备）
🗣️ 情景例句
555-9470…and it's still busy.
555-9470……又忙 。
Seldom seen, soon forgotten.
见得少，忘得快。
The growth of alternative mental interests is a long process.
精神上多种情趣的培养是一个长期的过程。