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lifetime [ˈlaɪftaɪm] A1zxS

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单词级别

第4级

基本释义

n.一生,终身,寿命,使用期限

英英释义

the period of time during which someone lives or something exists

参考例句

He wrote many books during his lifetime. 他一生著作甚多。
During his lifetime his work was never published. 他的作品在他的有生之年从未出版过。

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