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(shí)間,也可指某物〔事物〕存在的整個(gè)時(shí)期。 lifetime在句子中有時(shí)也可以單獨(dú)使用,不需用介詞。 返回 lifetime詞語(yǔ)辨析n. (名詞)下麪三句所表達(dá)的意思不同:His grandma never travelled by air in her lifetime.他祖母一輩子都沒(méi)坐過(guò)飛機(jī)旅行。(表示一輩子沒(méi)乘過(guò))His grandma has never travelled by air in her lifetime.至今他祖母還沒(méi)有坐過(guò)飛機(jī)旅行。(從出生到現(xiàn)在不曾坐過(guò))His grandma said she had never travelled by air in her lifetime.他祖母說(shuō)她從沒(méi)坐過(guò)飛機(jī)旅行。(從出生到說(shuō)話時(shí)還未坐過(guò)) 返回 lifetime