水中弯曲的吸管是因为光线被水折射了。
The straw appears bent in water because light is ___refracted through it.
医生用专业仪器对我的眼睛进行屈光检查来验光。
The doctor used a special instrument to ___refract my eyes for the vision test.
眼镜镜片折射了光线,使得远处的物体变得模糊。
The lenses ___refracted the light, making distant objects appear blurry.