Oslc
abbr. optical fiber subscriber loop carrier (equipment) 光纤用户环路载波（设备）
🗣️ 情景例句
78 percent of black high-school graduates are unemployed.
百分之四十八的黑人高中毕业生失业。
My brother wants to learn how to swim.
我的兄弟要去学游泳。
At eight nineteen.
8点19分。