North American dark bluish-gray gallinule.

北美深蓝灰色的水鸡。

youdao

This pigment creates the characteristic bluish-gray or green color of raw shrimp and crabs.

虾青素让生虾肉或生蟹肉呈蓝灰色或绿色。

youdao

Any of several tiny North American birds of the genus Polioptila, having bluish-gray and white plumage, a long tail, and a small, slender bill.

蚋鹩一种灰翼莺属的北美洲小鸟，具有蓝灰色间白的羽毛，长尾和小而细的喙。

youdao

Mongolian spots (technically named congenital dermal melanocytosis) are flat bluish-green, gray or light brown areas where cells called melanocytes have been trapped in a layer of the skin called the dermis.

CNN: What are Mongolian spots?