因气温很高，他浑身长了皮疹。
The heat brought him out in a rash.

有几个孩子患了麻疹，其他孩子也必然传染上。
Several children have measles, and the others are bound to succumb (to it).

医生诊断出麻疹。

他的脸上突然长满了皮疹。
His face broke out in a rash.

因天气炎热，她起了皮疹。
Hot weather makes her come out in a rash.

身上还有这种疹子就仍然有传染性。

麻疹是种传染病。
Measles is an infectious disease.

那个孩子得了麻疹。
The child got measles.