名詞 classroom:

1. a room in a school where lessons take place
   同義詞：schoolroom

1. On entering the classroom, I found a book lying on the floor.
   一走進教室，我就發(fā)現(xiàn)一本書丟在地上。
2. Is there a boy in the classroom?
   教室里有一位男孩嗎？
3. There are eight students in the classroom.
   教室里有八個學生。
4. I was alone in the classroom.
   我獨自在教室里。
5. Rude languages should be expurgated from classroom books.
   粗魯?shù)恼Z言必須從教科書中刪去。
6. He sat in the classroom, daydreaming about the holidays.
   他坐在教室里，幻想著度假。
7. The boys stopped their clatter when the teacher came into the classroom.
   老師走進教室時，男孩子們停止喧嘩。
8. The classroom was turned upside-down.
   教室被弄得亂七八糟。

class.room

n.（名詞）
A room or place especially in a school in which classes are conducted:
教室：特指學校中班級接受指導的房間或地方：
例句：
a second-floor classroom; an outdoor classroom.
一間二樓教室；室外教室

n.attributive.（定語名詞）
Often used to modify another noun:
課堂：常用于修飾另一名詞：
例句：
classroom teachers; classroom instruction.
課堂教師；課堂指導