A:I'm reading in the living room.
B:He's sleeping in the bedroom.
C:She's washing her hair in the bathroom.
“满筐圆实骊珠滑,入口甘香冰玉寒”,葡萄中含有的丰富营养物质贮存在果实的( )
物理学中用到了大量的科学探究方法,下面哪一个描述使用了等效替代的( )