プログレッシブ和英中辞典(第4版)の解説
せいぼつねん【生没年】
the years of (one's) birth and death
生没年が不詳である
It is not known when he was born or when he died.
日本語の解説|生没年とは
the years of (one's) birth and death
生没年が不詳である
It is not known when he was born or when he died.
その議会の過半数には達しないが、議席数をもっとも多くもつ政党。...