Virtual Reality (VR) has been broadly used in various fields as a user interface. In general, the Head-Mounted Display (HMD), the DataGlove, and the 3D-Surrounding Audio System are employed for VR effect. In LL, it might be possible to immerse the learners in a scenario of on-line text. Thus, it is expected to stimulate them to make an even greater efforts. However, it requires relatively high cost for implementation.
