In Changsha, I met Peng Xiang, who came for vacation from USA(We were in same group when I was in OSC).He will has his oral defence for Ph.D degree.Wish him to success smoothly.是什么意思_In Changsha, I met Peng Xiang, who came for vacation from USA(We were in same group when I was in OSC).He will has his oral defence for Ph.D degree.Wish him to success smoothly.在線翻譯_英語_讀音_用法_例句