She sometimes asks if I want a back rub.

她有时问我是否想要一次背部按摩。

《柯林斯英汉双解大词典》

Give a back rub when appropriate.

合适的时候，为他们按摩背部。

youdao

I want a foot rub and a back rub.

我想做足底按摩和背部按摩。

youdao

There wasn't anything terribly innovative or new in the massage field, but the booths demoing massage tech were always packed with stressed-out or weary attendees who needed a little back rub after wandering the show floor all day.

CNN: 6 trends we saw at CES 2013

At one point, Minor acknowledged he got so cold that he had a trainer rub his back, arms and thighs with a heating ointment.

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They had dubbed this system Back Rub, after the "back links"that pointed to a site.

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