他到急诊室前两天开始打寒战，发烧和咳嗽。

Two days before he came into the emergency room he began to have chills, fever, and a cough.

youdao

他到急诊室前两天开始打寒战，发烧和咳嗽。

Two days before he came into the emergency room he began to have chills, fever, and a cough.

youdao