凹透镜 āo tòu jìng

concave lens

Word data

HSK Not in HSK
Frequency Unknown

Definitions

  1. 1. concave lens

Characters

Character Meaning
凹 āo HSK 6
concave; sunken; indented
透 tòu HSK 5
thoroughly; completely; to pass through
镜 jìng HSK 4
mirror; lens