| English | Chinese |
| animal life No definition needed | 动物生命 (无需定义。) |
| average life evaluation | 平均寿命估计值 |
| average life expectancy | 平均寿命预期值 |
| half-life The time required for one-half the atoms of a given amount of radioactive material to undergo radioactive decay | 半衰期 (定量的辐射性物质，其原子之数量经由辐射衰退为原来的一半所需的时间。) |
| life cycle The phases, changes, or stages through which an organism passes throughout its lifetime | 生命周期 (生物体在其一生中经历的阶段、变更或时期。) |
| life-cycle management Management of all the stages involved in the life of a product such as raw materials acquisition, manufacturing, distribution and retail, use and re-use and maintenance, recycling and waste management, in order to create less environmentally harmful products | 生产周期管理 (对产品在生命周期中涉及的所有阶段的管理，如原材料采购、制造、分销及零售、使用和再利用、维护、废物管理和回收，以减少环境方面有害的产品。) |
| life explosion | 生命大爆炸 |
| life force | 生命力 |
| life science A science based on living organisms collectively | 生命科学 (一种基于所有生物的科学。) |
| life strategies | 生活策略 |
| material life cycle All the stages involved in the manufacturing, distribution and retail, use and re-use and maintenance, recycling and waste management of materials | 材料生命周期 (涉及材料的制造、分发、零售、使用、再利用和维护、回收和废物管理等所有阶段。) |
| plant life No definition needed | 植物生命 (无需定义。) |
| product life cycle A product life cycle includes the following phases: acquisition of raw materials, production, packaging, distribution, use, recyling, and disposal | 产品生命周期 (产品的生命周期包括以下几个阶段：原材料、生产、包装、销售、使用、回收和处理。) |
| quality of life Quality of life is largely a matter of individual preference and perception and overlaps the concept of social well-being. Generally the emphasis is on the amount and distribution of jointly consumed public goods, such as health care and welfare services, protection against crime, regulation of pollution, preservation of fine landscapes and historic townscapes | 生命质量 (生命质量是在社会福利基础之上的个人喜好和感觉。重点在消费类公众产品的数量和分布，例如健康和福利服务、控制犯罪、污染管理、风景和历史名城的保护。) |
| school life Any part or the sum of experiences had while attending an instructional institution, or the amount of time spent in such a program | 学校生活 (进入教育机构获得的经验的部分或总和，或在这些机构花费的时间。) |
| tidal marine life | 潮汐海洋生物 |
