当加热蜡时，其中的微粒就会改变方位，但是当再次冷却固化蜡时，微粒的方位就会固定下来。

When the wax was heated, the spheres would be able to change orientation, but they would be held in place when it cooled and solidified again.

youdao

当加热蜡时，其中的微粒就会改变方位，但是当再次冷却固化蜡时，微粒的方位就会固定下来。

When the wax was heated, the spheres would be able to change orientation, but they would be held in place when it cooled and solidified again.

youdao