在实验研究和理论分析的基础上，苏武沛W。

On the experimental study and theoretical analysis, the W.

youdao

十九年以后，苏武终于回到了汉朝，这时他的胡须头发全都白了。他坚贞不屈的精神却被后代所传颂。

Nineteen years later, Su Wu was finally released. When he returned to his native land, his hair and beard had turned completely white.

youdao

十九年以后，苏武终于回到了汉朝，这时他的胡须头发全都白了。他坚贞不屈的精神却被后代所传颂。

Nineteen years later, Su Wu was finally released. When he returned to his native land, his hair and beard had turned completely white.

youdao