" Featherless bipeds" was his official designation.

他认为人类是“没有羽的物”。

Some baby birds hatch blind and featherless, and need to be fed and kept warm by their parents.

一些小鸟破壳后是看见的且没的，它们需要被父母喂养，保持体温。

His haunches were bony, like featherless wings, and his eyes were sunk into his head.

他的腰部瘦骨嶙峋，就像没有羽的翅膀，他的眼睛深陷在脑袋里。

They had pointed snouts, big eyes, and sometimes beaks instead of teeth, making them look less like lizards and more like … featherless birds.

它们有着尖尖的吻部， 大大的眼睛， 有时还长着喙而是牙齿，这让它们看像是蜥蜴， 反而更像是… … 没有羽的鸟。

But this particular bird belongs to an invasive species, so rather than letting it go, she decided to keep the flightless, featherless chick as a pet.

然而，这只特别的鸟属于入侵物种，因此，她没有选择将其放生，而是决定收养这只无法飞行、羽未丰的小鸟作为宠物。

For example, the denotation of human is any person such as John and Mary, and its connotation is " biped." " featherless, " " rational, " etc.

例如，人的外延是任何人，如约翰和玛丽；内涵是 “物”“无羽的”“有理性的” 等。