蜉蝣目(Ephemeroptera)众多脆弱昆虫中的任何一种,在淡水中发育,成虫有翅但寿命极短。
以持续时间短为特征的；短命的。
蜉蝣目(Ephemeroptera)众多脆弱昆虫中的任何一种,在淡水中发育,成虫有翅但寿命极短。
Any of the many fragile insects of the order Ephemeroptera that develop in fresh water and live very briefly as winged adults.
体型纤细的昆虫,具有精致的膜状翅膀,幼虫阶段在水中,成虫阶段通常不超过两天
slender insect with delicate membranous wings having an aquatic larval stage and terrestrial adult stage usually lasting less than two days
以持续时间短为特征的；短命的。
Characterized by a short duration; short-lived.
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