莫霍面 mò huò miàn

DEFINITIONS

  1. Moho (aka Mohorovičić discontinuity, the lower boundary of the earth's lithosphere)

CHARACTERS

莫 mò
HSK 6
do not, is not, can not; negative
霍 huò
HSK 6
quickly, suddenly; surname
面 miàn
HSK 1
face; surface; plane; side, dimension