光导纤维 guāng dǎo xiān wéi

DEFINITIONS

  1. optical fiber

CHARACTERS

光 guāng
HSK 4
light, brilliant, shine; only
导 dǎo
HSK 4
direct, guide, lead, conduct
纤 xiān
HSK 6
fine, delicate; minute; graceful
维 wéi
HSK 5
maintain, preserve, safeguard