This can include the hands, feet, forehead, and underarms.

这个部位可能是手、脚、额头或腋下。

youdao

However, a lot of people have problems with it on their feet, hands or underarms.

然而，很多人有问题，但他们的脚，手或腋下。

youdao

This will help allow space to refine polygon detail where you need it (e. g. underarms).

这会对在三维空间中细化化多边形细节（比如，腋下）有帮助。

youdao

She threw the bedcover off, her feet, her underarms clammy with sweat.

NEWYORKER: The Repatriates

Painful practices such as waxing - not only of legs but also underarms and pubic area - have become near-compulsory for young women, alongside dieting, eyebrow threading, spray tans, false lashes, stilettos and visits to the nail bar and the hair salon.

BBC: The Response: Is there a problem with Miss World?