My friend Dr. Dong had a wonderful chance to go to Seattle to present a paper at a professional meeting.

 
  • 我的朋友董醫生有幸獲得了一次去西雅圖在一個(gè)專(zhuān)業(yè)會(huì )議上做學(xué)術(shù)報告的好機會(huì )。
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