名词有生之年; 一生，寿命; 存在期，有效期 其它终生; 终身保障; [核]寿命
名词
1. In my father\'s lifetime there have been many changes in the village.
在我父亲的一生中，这个村庄发生了许多变化。
2. She devoted her lifetime to the study of zoology.
她以毕生精力从事动物学研究。
3. He has gone through many a severe test during his lifetime.
他一生中经受过多次严峻的考验。
1. 一生；终生
A lifetime is the length of time that someone is alive.
e.g. During my lifetime I haven\'t got around to much travelling.
我一生中没怎么去旅行过。
e.g. ...a trust fund to be administered throughout his wife\'s lifetime.
为他妻子终生管理的信托基金
2. （事物的）存在期，使用期
The lifetime of a particular thing is the period of time that it lasts.
e.g. ...the lifetime of a parliament.
议会的届期
e.g. ...a satellite\'s lifetime.
卫星的使用期
3. 终生难遇的；千载难逢的
If you describe something as the chance or experience of a lifetime, you are emphasizing that it is the best or most important chance or experience that you are ever likely to have.
e.g. This could be not just the trip of a lifetime but the experience of a lifetime.
这可能不仅是一趟终生难遇的旅行，也将是一次终生难遇的体验。
1. 一生；终生
A lifetime is the length of time that someone is alive.
e.g. During my lifetime I haven\'t got around to much travelling.
我一生中没怎么去旅行过。
e.g. ...a trust fund to be administered throughout his wife\'s lifetime.
为他妻子终生管理的信托基金
2. （事物的）存在期，使用期
The lifetime of a particular thing is the period of time that it lasts.
e.g. ...the lifetime of a parliament.
议会的届期
e.g. ...a satellite\'s lifetime.
卫星的使用期
3. 终生难遇的；千载难逢的
If you describe something as the chance or experience of a lifetime, you are emphasizing that it is the best or most important chance or experience that you are ever likely to have.
e.g. This could be not just the trip of a lifetime but the experience of a lifetime.
这可能不仅是一趟终生难遇的旅行，也将是一次终生难遇的体验。
