慢速英语:Ralph Ellison, 1914-1994: His Book, “Invisible Man,” Won Awards and is Still Discussed Today

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例句：Soil consists of various chemical substances.
      土壤由各种化学物质组成。

2.dismiss vt.解雇; 撤职; 开除

例句：The new governor dismissed the staff that served his predecessor.
       新州长将前任州长的职员全部解雇。

      He dismissed me from the club.
      他把我开除出俱乐部。

3.blindly 不继续地

例句：The passage ended blindly fifty feet away.
      那条通道在五十英尺外突然中断了。

摸索地

例句：He stumbled blindly on through the dark building.
      他摸索着跌跌撞撞地穿过漆黑的建筑物。

4.present adj.出席的, 到场的

例句：How many of the group are present today?
      今天该组有多少人出席?