flightless

The penguin is a flightless bird.

企种不会飞的。

Hesperornis is an extinct genus of flightless aquatic birds that lived during the Late Cretaceous.

黄昏种已经灭绝的不会飞翔的水，生活在白垩纪晚期。

In some species, such as aphids, the flightless morph lacks wings and is called the apterous morph.

些昆虫种，如蚜虫，出现无翅个体，被称为无翅型。