床边引流法的英文怎么说

床边引流法的英文：
BSD, bedside drainage

They were summoned to the bedside of their dying mother.
他们被召到弥留的母亲床边。

She flew to their bedsides when they were ill.
在他们生病的时候她飞奔至他们身边。

He came hurrying to her bedside as soon as he heard she was ill.
一听到她生病了，他就赶着来到她的床边。

This is a drainage area.
这里是排水区。

Keep the drainage channel clear.
保持下水道畅通。

The defect in the drainage must be remedied.
这排水系统的缺陷该设法补救。