摩斯密碼 mó sī mì mǎ

DEFINITIONS

  1. Morse code

CHARACTERS

摩 mó
HSK 5
rub, scour, grind; friction
斯 sī
HSK 6
this, thus, such; to lop off; emphatic particle
密 mì
HSK 4
dense, thick, close; intimate
碼 mǎ number, numerals; yard; symbol