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Classroom blackboard clipart
大約 2 年
School classroom with blackboard clipart
學校教室 clipart
Blackboard in a School Classroom clipart
大約 4 年
Classroom school clipart
接近 4 年
教室 clipart
3 年多
School Blackboard clipart
Classroom in a School clipart
黑板 clipart
Classroom in the school clipart
Woman Teacher Teaching a Lesson at the Blackboard clipart
Student Chalk Slate clipart
Professor is Teaching a Lesson at the Blackboard clipart