| 词源 |
erg n.1unit of energy in the C.G.S. system, coined 1873 by the British Association for the Advancement of Science, from Greek ergon "work" (from PIE root *werg- "to do"). erg n.2 "region of drifting sand dunes," 1875, from French erg (1854), from North African Arabic 'irj, from a Berber word. updated on September 19, 2021 |