成语
皓首穷经
皓首穷经
hào shǒu qióng jīng
拼音:hào shǒu qióng jīng
皓首穷经包含的字
包含皓首穷经的词
皓首穷经的近义词
皓首穷经的英文翻译
continue to study even in old age