life cycle stage 生命周期阶段
product life cycle 产品生命周期
biological life cycle 生物生命周期
complete life cycle 完整的生命周期
1. All living things go through different life cycles.
所有生物都会经历不同的生命周期。
2. The life cycles of butterflies are fascinating to study.
蝴蝶的生命周期研究起来很有趣。
3. We must understand the life cycles of these crops to improve yield.
我们必须了解这些作物的生命周期以提高产量。
A: How long are the life cycles of these frogs?
A：这些青蛙的生命周期有多长？
B: They vary depending on the environment.
B：它们因环境的不同而有所不同。
1) 生物的生长发育过程
2) 事物发展的各个阶段
3) 产品的生命周期
1. 生命周期
e.g.
The life cycles of most insects are very short.
大多数昆虫的生命周期都很短。
noun (plural)
1. The series of changes in the life of an organism from birth to death.
2. The stages of development of a product, technology, or idea.