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词汇 pupa
释义
pupa
noun [ C ] uk/ˈpjuː.pə/ us/ˈpjuː.pə/ pupae uk/ˈpjuː.piː/ us/ˈpjuː.piː/
an insect in the stage of development after it has been a larva and before it becomes an adult, during which it is contained in and protected by a hard covering and does not move
a moth pupa 蛾蛹
mosquito pupae 蚊蛹
Compare: chrysalislarva
    更多例句
  • In ground beetles, a complete life cycle from egg to larva to pupa to adult takes one year.
  • Fireflies survive in soil through the winter, turn into pupae in spring, then emerge in summer as winged adults.
  • She monitors the butterflies as they emerge from their pupae.
  • The picture shows a pupa case, where caterpillars transform themselves into moths.
Related word: pupal
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