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(jìn)教室，我就發(fā)現(xiàn)一本書(shū)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(gè)學(xué)生。
4. I was alone in the classroom.
   我獨(dú)自在教室里。
5. Rude languages should be expurgated from classroom books.
   粗魯?shù)恼Z(yǔ)言必須從教科書(shū)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(jìn)教室時(shí)，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(xué)校中班級(jí)接受指導(dǎo)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(yǔ)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(dǎo)