tertiary ray

例句：

1. 1. The tertiary ray is the third type of light that we can see with our eyes.
   三射线是我们用眼睛可以看到的第三种光。
2. 2.This tertiary ray has a wavelength of about 400 nanometers.
   这种三射线的波长约为400纳米。
3. 3. The tertiary ray is used in medical imaging to create detailed images of the human body.
   三射线在医学成像中用于创建人体详细图像。