单词:duodenomesocolic fold
十二指肠下襞, 十二指肠结肠系膜襞
单词:duodenomesocolic fold 相关文章
By Caty Weaver Broadcast: November 21, 2003 This is Bob Doughty with the VOA Special English Economics Report. Last week, the World Trade Organization ruled that United States taxes on imports of stee
发表于:2019-01-02 / 阅读(82) / 评论(0)
VOA2003(下)-农业与经济