| 释义 |
- n.生命周期；寿命（产品等从开发到使用完毕的一段时间）
- 网络生活史；寿命周期；生活周期
n. life span,development,maturation,growth 1. | 生命周期，生活周期（生物发展过程的系列变形）the series of forms into which a living thing changes as it develops |
| the life cycle of the butterfly 蝴蝶的生活周期 |
2. | 生命周期，寿命（产品等从开发到使用完毕的一段时间）the period of time during which sth, for example a product, is developed and used |
n. | 1. the series of changes of form and activity that a living organism undergoes from its beginning through its development to sexual maturity 2. the complete process of change and development during somebody's lifetime or during the useful life of something such as an organization, institution, or manufactured product 3. the series of changes that happen to an animal or plant during its life 4. the length of time that something lasts or remains useful 1. the series of changes of form and activity that a living organism undergoes from its beginning through its development to sexual maturity 2. the complete process of change and development during somebody's lifetime or during the useful life of something such as an organization, institution, or manufactured product 3. the series of changes that happen to an animal or plant during its life 4. the length of time that something lasts or remains useful |
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