Infants and young children with unrepaired tetralogy of Fallot are often blue (cyanotic).
患有法洛

的婴幼儿经常
现为颜面、口唇青紫(发绀)。
Infants and young children with unrepaired tetralogy of Fallot are often blue (cyanotic).
患有法洛

的婴幼儿经常
现为颜面、口唇青紫(发绀)。
声明:以上例句、词性分类均由互
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