求翻译：教室是学生学习的地方，需要安静。有些学生把手机带进教室，在课堂上经常听见手机的铃声。有的同学还在课堂上发短信，浪费宝贵的学习时间。是什么意思？

The classroom is student learning, needs quiet. Some students phone into the classroom, often heard the phone ring tones in the classroom. Some students still in class, text messages, wasting valuable learning time.

classroom learning is that students need to be quiet, and the place. Some students carry their phones into the classroom on a regular basis in the classroom, and heard a phone ring tone. There is also the students in the classroom, SMS, and waste valuable study time.

The classroom is a place which the student studies, needs to be peaceful.Some students take into the handset the classroom, hears the handset frequently in the classroom the ting.Some schoolmates also send the short note in the classroom, wastes the precious study time.

Classroom is the place where students learn, needs to be quiet. Some students bring mobile phones into the classroom, often heard in class mobile phone ring tone. Some students texting in class, waste valuable learning time.

正在翻译，请等待...