ղСվ
ҳ
С
п
߿
ɽ̴ѧ
Ӣѧϰ
Ա
ʦѧ
百度安全验证
ز鿴
Wordĵصַ
ļ.docΪ.docĶ
ڴٽи˽Ӫ÷չ
ػװʩָ - ͼ
2009ְӢB+
ġ˿ӵѭˮϲŻĿ
2013ѹ繤
ӢдOn overcoming obstacles
顷иУ,Ʒζ
ʾѧ⼰()-ʾѧѡ
ʽжƽ̨跽
˶ҽҿ֣
ʦ꼶ѧ²᷽ϰ