老师一来，教室里立即安静下来。
The class quieted down as soon as the teacher came.
这间教室最多能容纳50名学生。
This classroom can hold a maximum of fifty students.
教授在开讲前，先环视了一下教室。
The professor looked around the classroom and then began her lecture.
那间教室坐不下100名学生。
That classroom is too small for 100 students.
学生一个挨一个地走进教室。
The students went into the classroom in single file. / The students filed into the classroom.
他向她眨巴了一下眼睛，走出了教室。
He winked at her and left the classroom.
孩子们簇拥着老师走进教室。
The children crowded round the teacher as they went into the