求翻译：教师上课时应做到衣冠整洁、仪表端庄、举止文雅、语言清晰、板书工整，课堂用语应使用普通话，提倡和鼓励教师使用双语教学。是什么意思？

Teachers in school should be dressed to do neat, groomed, gentle in manner, language is clear and neat writing on the blackboard, classroom language should be used Mandarin, promote and encourage teachers to use in bilingual education.

At school, teachers should be done once more suitably attired, instrumentation and gentle manners, language, and clear, the book neatly, and classroom use of Putonghua should be used to promote and encourage teachers to use dual-language instruction.

The teacher attends class when should achieve the clothes neatly, the measuring appliance solemn, refined, the language clear, the blackboard writing is neat, the classroom terminology should use the standard spoken Chinese, advocated and encourages the teacher to use the bilingual education.

Teachers should be done in the class dress tidiness, instrument dignified, elegant, clear language, the Blackboard in neat, term Putonghua should be used in the classroom, to promote and encourage teachers to use bilingual teaching.

正在翻译，请等待...