天文单位 tiān wén dān wèi

DEFINITIONS

  1. astronomical unit (AU)

CHARACTERS

天 tiān
HSK 1
sky, heaven; god, celestial
文 wén
HSK 3
literature, culture, writing
单 dān
HSK 3
single, individual, only; lone
位 wèi
HSK 3
throne; position, post; rank, status; seat