emergency call

例句：

1. 1. If youneed to make an emergency call, dial911 immediately.
   如果你需要紧急呼叫，立即拨打911。
2. 2. Thedoctor urgently called the family to comeand take care of their son.
   医生紧急打电话给家人来照顾他们的儿子。
3. 3. She madean emergency call to her parents to askfor help.
   她紧急打电话给父母求助。