Your mummy is frog, she has a white belly.

你的妈妈是青蛙，她有一个白肚皮。

youdao

I'm often shown on TV as blue, but I'm actually more of a gray color with a white belly.

电视上的我通常是蓝色的，但实际上的我更多的是灰色，腹部发白。

youdao

Marla twists the cigarette into the soft white belly of her arm. "burn, witch, burn."

马拉在她柔软白皙手臂内侧搓揉着烟头“烧死她，女巫，燃烧吧！”

youdao

It was just four feet long, but strong, with a brown body, white belly and baleful, brownish-yellow eyes.

WSJ: Fishing for Shark in Destin, Fla.

The mother falcon, sleek and gray with a banded gray and white belly, squawked furiously as Nadareski crawled toward the box.

WSJ: 4 falcon chicks living on NY-NJ bridge are banded

Its belly was white as an egg, soft, dry and shiny like polished leather and undulating with breaths.

BBC: Tagging crocodiles in Belize