Unit3(M4)1. virtual(adj.)（通过计算机软件）虚拟的，模拟的；很接近的，实际上的VR=virtual reality 虚拟现实 the virtual world2. reality(n.)现实，事实 realize(v.)实现in reality事实上My dream will come true/be realized/become a reality.3. presentation(n.)展示，介绍；颁发；提交，出示present(v.) give a presentation 进行展示/介绍present sth to sb=present sb with sth 把交给；颁发；授予4. amaze(v.)使惊奇5. passive(adj.)被动的active(adj.)play a passive role intake an active part in6. user(n.)使用者7. sightseeing(n.)观光，游览go sightseeing8. h
