They use prison as guinea pig to test drug.他们用罪犯来试验药品.South American cavy; possibly ancestral to the domestic guinea pig.南美洲豚鼠; 可能是家养豚鼠的祖先.I've made some candies -- will you be my guinea pig?我做了些糖, 你愿意试吃 吗 ?...
The scribbles on the wall must be the work of those children.墙壁上的涂鸦准是那几个孩子画的.There are scribbles on the wall.墙上有胡乱涂写的字迹.I can hardly identfy his scribbles.我简直没弄清他这些潦草的字迹....