英语翻译内容大纲：我的爷爷是一位举世闻名的科学家,最近,爷爷发明了一种神奇的隐身药水,还有现身药水.有一天,我经过爷爷的

Abstract:
My grandfather is a scientist of world renown.Recently,he invented some magical liquid medicine to cloak things and make them appear again.One day I past the laboratory and found grandfather busy with his test.I hid behind the door and watch him out of curiosity."Wow...What is that grandpa feeding the mouse with?" I found surprisedly that the mouse in my grandpa's hand disappears.Does it mean ...