- 问题详情:APioneerforAllPeopleAlthoughheisoneofChina'smostfamousscientists,YuanLongping56 himselfafarmer,forheworksthelandtodohisresearch.Indeed,hissunbufaceandarmsandhisslim,strongbodyarejustlikethoseofmillionsofChinesefarmers,57 whomhehasstruggled...
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