红斑

例句：

1. 1. The patient hada erythema on his face.
   病人脸上有一片红斑。
2. 2. Shenoticed a rash onher arm after the sunburn.
   她注意到晒伤后手臂上起了一片疹子。
3. 3. The doctor diagnosed himwith a erythema and advisedhim to rest.
   医生诊断他患有红斑，并建议他休息。