cyanine navy blue 2RN

例句：

1. 1. The cyanine crystals are used in the production of dyes.
   天青石晶体用于生产染料。
2. 2. The blue color of the cyanine crystals is due to their high concentration of copper.
   天青石晶体的蓝色是由于它们高浓度的铜造成的。
3. 3. The cyanine crystals have a unique luminescent property that makes them useful in night vision equipment.
   天青石晶体具有独特的荧光特性，这使得它们在夜视设备中非常有用。
4. 1. The uniforms of the Navy are always in navy blue.
   海军的制服总是海军蓝的。
5. 2. The sky was painted with navy blue hues as the sun set.
   当太阳落山时，天空被海军蓝的色彩所覆盖。
6. 3. The navy blue car was parked in front of the building.
   那辆海军蓝的车停在大楼前面。