表面外膜 biǎo miàn wài mó

DEFINITIONS

  1. surface coat

CHARACTERS

表 biǎo
HSK 2
show, express, manifest, display
面 miàn
HSK 1
face; surface; plane; side, dimension
外 wài
HSK 2
out, outside, external; foreign
膜 mó
HSK 6
membrane; to kneel and worship