光信号 guāng xìn hào

optical signal

Word data

HSK Not in HSK
Frequency Unknown

Definitions

  1. 1. optical signal

Characters

Character Meaning
光 guāng HSK 4
light; bright; only
信 xìn HSK 3
to trust; to believe; trust
号 hào HSK 1
day of a month; ordinal number; size