primolut

例句：

1. 1. The teacher introduced the basic principles of physics to the students.
   老师向学生们介绍了物理学的基本原理。
2. 2.The program is designed for beginners who want to learn basic skills in photography.
   这个程序是为初学者设计的，他们想学摄影的基础知识。
3. 3.The first step in learning a new language is to master the basic vocabulary and grammar.
   学习一门新语言的第一步是掌握基本词汇和语法。