回折格子 huí zhé gé zi

DEFINITIONS

  1. diffraction grating (physics)

CHARACTERS

回 huí
HSK 1
return, turn around; a time
折 zhé
HSK 4
break off, snap; bend
格 gé
HSK 4
pattern, standard, form; style
子 zi
HSK 1
offspring, child; fruit, seed of; 1st terrestrial branch