A properly designed tub and shower unit should have an adjustable shower head that varies according to height, and a hand shower to deal with the bottom bits.

一个设计得当的浴缸和淋浴装置应该有一个可调的淋浴喷头，根据高度不同，手持一个花洒清洗底部。

youdao

I got in the tub, knife in hand, and got ready to do what I felt I needed to do.

我手握尖刀走进浴缸，准备好了那样去做——我觉得有必要那样做。

youdao

Nancy later goes to thank the alien woman, holding her hand during this, and is told by her AIDS that she must be returned to her water tub or such absences shorten her life.

之后南茜走上去感谢了这位外星女人，拉着她的手。她的助手告诉这个外星女人，她必须回到水盆里，否则离开水会缩减她的寿命。

youdao

Steam rose from the tub as he dipped in a hand to test the water.

NEWYORKER: Found Objects

The bathroom now has a sloped ceiling, added windows, a skylight, hand-cut sky-blue glass tiles in the shower, a big white tub and contemporary oak cabinets with Carrara marble tops.

WSJ: A Family-Friendly Retreat in Venice

And, once the screwdriver was in her hand, she felt instant relief from the pain of having an old soft-backed man snuffling under her tub, and then something more than relief: a blessed indifference, as if the very idea of feeling pain over such a thing were baffling.

NEWYORKER: Found Objects