To demonstrate, Justin, one of Pepperberg's undergraduate assistants, instructs Griffin and Alex to hop up on the work perch.

为了演示，佩珀堡的一个大学生助手贾斯廷指导格里芬和亚历克斯跳到高处工作架上去。

Hop up on the couch.

在沙发上跳几下。

So, hop up and chase your neighbor up a tree.

所以，请跳动起来吧，去树上追逐你的邻居嬉戏吧。

Come on, hop up.

快点，跳上来。

They laugh, chat and occasionally hop up to break into a goofy dance.

他们笑着、讨论着，有时候甚至突然蹦起来跳一段滑稽的舞蹈。