ephemeron
英 [ɪ'femərɒn]
美 [ɪ'fɛmə,rɑn]
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.
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