Unit 9 Have you ever been to a museum?amusement [mju:zmnt] n. 娱乐；游戏amusement park 游乐场somewhere [smwe] adv.在某处；到某处camera [kmr] n. 照相机；摄影机；摄像机invention [nvenn] n. 发明；发明物invent [invent] v. 发明；创造unbelievable [nbli:vbl] adj...