life cycle

名词 n.
中文释义

英文释义

名词 n.
  1. The course of stages through which an organism passes from fertilized zygote until maturity, reproduction, and death.
    — Meronym: life forms
  2. The useful life of a product or system; the developmental history of an individual or group in society. broadly
    — Since it began operating in 1950, Sellafield has had different duties. First it manufactured plutonium for nuclear weapons. Then it generated electricity for the National Grid, until 2003. It also carried out years of fuel reprocessing: extracting uranium and plutonium from nuclear fuel rods after they’d ended their life cycles.

词形变化

life cycles plural lifecycle alternative

词源

From life + cycle.
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