date of birth unknown
出生日期不详
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The date of birth and death of Qu Yuan is unknown.
屈原的生卒年月不详。
《新英汉大辞典》
The exact date of his birth is unknown.
其确切出生日期无人知晓。
youdao
He lived sometime during the 8th and 9th centuries. (The exact date of his birth and death are unknown. )
他生活在七、八世纪。（具体的生卒日期不详。）
Date of birth unknown.
MSN: Hundreds of foreigners leaving Tripoli - World news - Mideast/N. Africa | NBC News
应用推荐
模块上移
模块下移
不移动