lifetime不可數。lifetime是英文單詞，主要用作名詞，作名詞時中文含義是：一生；終身；有生之年；(某物的)存在期；壽命；使用期限。lifetime的讀音音標是[?la?fta?m]。
一、lifetime雙語例句
1.Short lifetime means uncertain mass.
短壽命意味著質量不確定。
2.They may influence people for years, and even for a lifetime.
它們可能影響人們多年,甚至一生。
3.Our lifetime is short, so we should make good use of it.
我們的生命是短暫的,所以我們應該好好利用它。
4.Our lifetime is short, so we should make good use of it.
我們的生命是短暫的,所以我們應該好好利用它。
5.His diary was not published during his lifetime.
他的日記在他生前未曾發(fā)表過。
6.The cruise was advertised as the 'journey of a lifetime'.
這次航行被宣傳為“終生難得的旅行”。
7.Works of art are in trust to us during our lifetime.
藝術品交由我們托管一生。
8.I want to take advantage of your lifetime of scholarship.
我希望能夠用到您一生的學識。
