教师指导、学生练球镜头的翻译：Teachers Guide, students practice lens 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Teachers guide students to concentrate fully in the lens

Teachers Guide, students practice lens

The teacher instructs, the student to practice a ball game the lens

Teachers' Guide, student relaxes lens

Teachers Guide, students practice lens