远处，过山车飞驰过环形轨道时候人们的尖叫声阵阵传来。
In the distance she could hear the screams of the people in the shiny cars, as they circled the roller coaster course.
另外接触镉大鼠还可出现红细胞大小不一，染色过浅及环形红细胞。说明有缺铁的表现。
The RBC of rats exposed to cadmium can also became anisocytosic, hypochromic and formation of ring—type RBC, suggesting iron deficiency.
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