lifetime

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常用用法

n. (名詞)

lifetime的基本意思是“一生,生存期”,指人從出生到死亡的一段時間,也可指某物〔事物〕存在的整個時期。
lifetime在句子中有時也可以單獨使用,不需用介詞。

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词语辨析

n. (名詞)

下麪三句所表達的意思不同:

His grandma never travelled by air in her lifetime.
他祖母一輩子都沒坐過飛機旅行。
(表示一輩子沒乘過)
His grandma has never travelled by air in her lifetime.
至今他祖母還沒有坐過飛機旅行。
(從出生到現在不曾坐過)
His grandma said she had never travelled by air in her lifetime.
他祖母說她從沒坐過飛機旅行。
(從出生到說話時還未坐過)

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