蓝光

zhè xiē gāo qīng xī dù yǐng piàn quán yǐ lán guāng jì shù tuī chū

这些高清晰度影片全以蓝光技术推出。

These high definition movies are all out on blue-ray.

lán guāng zhuāng zhì

蓝光装置

blue light unit