n.苍白,暗淡,失色
Symptoms are unusual paleness and tiredness.
症状是异常的苍白和疲劳.
A paleness overspread her face.
她脸色一阵苍白.
Symptoms include tiredness, paleness, and lethargy.
症状包括疲倦、脸色苍白、没有精神。