英文關鍵字
australia
australian
chair
class
classroom
college
knowledge
learn
lecture
lesson
nobody
public
room
school
seat
seminar
sitting
study
table
teaching
training
university
英文關鍵字
australia
australian
chair
class
classroom
college
knowledge
learn
lecture
lesson
nobody
public
room
school
seat
seminar
sitting
study
table
teaching
training
university