他认为，顾氏小盗龙仅仅用后翼来滑翔，在加力飞翔时，便折叠起来，以免挡道。

He thinks microraptor used its hind wings only for gliding, folding them out of the way for powered flight.

youdao

他认为，顾氏小盗龙仅仅用后翼来滑翔，在加力飞翔时，便折叠起来，以免挡道。

He thinks microraptor used its hind wings only for gliding, folding them out of the way for powered flight.

youdao