对于当代大学生，学习和掌握英语有强烈的现实需要。学习者的日常英语学习中

For contemporary college students, there is a strong practical need to learn and master English. In the daily English learning of learners, the most common problem is that the vocabulary is too small and the mastery is not solid, which is very unfavorable for learners to master vocabulary flexibly and efficiently. More and more information transmission methods are used in the communication process. People are accustomed to conveying the meaning they want to express through multi-modal ways such as visual pictures, charts, audio, animation and videos. With the help of electronic technology, the APP on the smartphone provides learners with a virtual simulation learning situation. Learners can choose a learning APP that suits them according to their own learning goals, needs, and learning habits, and gradually transform their learning from "learning" in class to "acquisition" in off-class time.

For contemporary college students, learning and mastering English has a strong practical need. Learners in the daily English learning, vocabulary accumulation is too little and grasp is not solid the most common problem, which is very detrimental to learners flexible and efficient vocabulary. There are also more and more ways of communicating information, and people are used to conveying what they want to express through multimodal ways such as visual pictures, charts, audio, animation, and video. Apps on smartphones use electronic technology to provide learners with virtual simulation learning situations. Learners can choose their own learning APP according to their own learning goals, needs and learning habits and other personal circumstances to gradually change learning from the classroom "learned" to the "learned" after class time.

For contemporary college students, there is a strong practical need to learn and master English. In daily English learning, the most common problem is that the accumulation of vocabulary is too small and the mastery is not solid, which is not conducive to the learners' flexible and efficient mastery of vocabulary. More and more ways of information transmission are used in the process of communication. People are used to convey the meaning they want to express through multi-modal means such as visual pictures, charts, audio, animation and video. With the help of electronic technology, APP on smart phone provides learners with virtual learning environment. Learners can choose their own learning app according to their own learning goals, needs, learning habits and other personal conditions, and gradually change learning from "learning" in class to "acquisition" after class.