阴极射线 yīnjíshèxiàn cathode ray Definitions Defs Origin Strokes Stroke Words Sentences Sents 阴极射线 陰極射線 yīnjíshèxiàn cathode ray a beam of electrons emitted from the cathode of a high-vacuum tube
阴极射线 陰極射線 yīnjíshèxiàn cathode ray a beam of electrons emitted from the cathode of a high-vacuum tube
