ephemeron
- 英式英标[ɪ\'fɛmə,rɑn]
- 美式音标[ɪ\'femərɒn]
英文词源
- ephemeron (n.)
- "insect which lives for a very short time in its winged state," 1620s, from Greek (zoon) ephemeron, neuter of adjective ephemeros "living but a day" (see ephemera). Figurative use by 1771.