They parted for Yang, who peered into the eyepiece to witness a brilliant blue-violet flash emanating from a glassy chip of gallium nitride (GaN).

• 他们让了个位子给杨祖佑，他透过目镜，目睹了一片光滑的氮化镓（GaN）放射出亮丽的蓝紫色光芒。