·2,447,543篇论文数据，部分数据来源于NoteExpress
A flying doctor service operates in remote regions.
在偏远地区有飞行医生服务。
《牛津词典》
The flying doctor service has been extended to cover rural areas across the whole of Scotland.
BBC: Flying doctor service takes off across Scotland
应用推荐
模块上移
模块下移
不移动