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unpractical    
a. 不切实际的,不实用的,不能实用的

不切实际的,不实用的,不能实用的

Unpractical \Un*prac"ti*cal\, a.
Not practical; impractical. "Unpractical questions." --H.
James.
[1913 Webster]

I like him none the less for being unpractical.
--Lowell.
[1913 Webster]


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  • Adult fireflies started glowing for sex, not to avoid predators
    Like all beetles, the firefly cycles through a complete metamorphosis—hatching from its egg as a crawling larva before pupating into a mature adult Scientists believe the larval stage first evolved the ability to light up as a way to signal their foul taste to predators
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  • Firefly Life History - Firefly Atlas
    Fireflies are best known for their bioluminescent courtship displays, yet while the larvae of all firefly species are bioluminescent, not all adults are capable of producing light
  • How Long Are Fireflies Larvae - blog. entomologist. net
    Once hatched, firefly larvae spend most of their time in the larval phase, which can last up to two years before metamorphosing into adults Although fireflies live for only a couple of months, it takes up to a year for them to fully grow into adulthood
  • Photinus pyralis, Big Dipper Firefly - LSU AgCenter
    Fireflies undergo complete metamorphosis, with a life cycle consisting of four developmental stages: egg, larva, pupa and adult Photinus females lay small, round eggs about one-thirtieth of an inch (0 8 mm) in diameter in moist crevices
  • Dotted paropsine leaf beetle (Paropsis atomaria)
    stressed mature and young, newly planted trees During heavy infestations high aggregations of various larval stages and adults can be observed on different parts of the tree, on the ground surr t and on various nearby non-host plants Prepared by Dr G Arakelian, Senior Biologist, Los Angeles Co Department of Agricultural





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