Physical change
01
物理变化, 物理转变
a change that affects the physical characteristics of a substance without altering its chemical structure
例子
Melting ice is a physical change because the water remains the same.
冰的融化是一种物理变化，因为水保持不变。
Cutting paper involves a physical change in its shape.
剪纸涉及到其形状的物理变化。
