arrowhead method

例句：

1. 1. The arrowhead method is a highly effective way to improve focus and concentration.
   箭头头部方法是提高专注力和集中力的高效方法。
2. 2. In the arrowhead method, students are encouraged to take ownership of their learning and actively engage with the material.
   在箭头头部方法中，鼓励学生对自己的学习负责，并积极与材料互动。
3. 3. The teacher explained the arrowhead method in detail during the lesson, providing clear guidance for students tofollow.
   老师在课上详细解释了箭头头部方法，为学生提供了清晰的指导。