| 释义 |
Noun: Au- A soft yellow malleable ductile (trivalent and univalent) metallic element; occurs mainly as nuggets in rocks and alluvial deposits; does not react with most chemicals but is attacked by chlorine and aqua regia
- gold, atomic number 79
Noun: AU- A unit of length used for distances within the solar system; equal to the mean distance between the Earth and the Sun (approximately 93 million miles or 150 million kilometres)
- Astronomical Unit
Derived forms: Aus, AUs Type of: astronomy unit, noble metal Part of: dental gold, gold, gold foil, gold leaf, graphic tellurium, sylvanite Encyclopedia: AU Au, Austria Au Au, Guinea Au, Vorarlberg Au, Switzerland |