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。

youdao

Hop up on the couch.

在沙发上跳几下。

youdao

When I wake up in the morning before the kids, and the house is quiet, the last thing I want to do is hop on my treadmill for a vigorous workout.

每天清晨我在孩子们之前起床时，整个房子是安静的，我最不想做的事就是跳到我的跑步机上做一次充满活力的晨练。

youdao

The answer often determines whether we should drink a beer to relax or hop ourselves up on Red Bull, whether we take a long shower or stay late at the office.

WSJ: Jonah Lehrer on How to Be Creative

The first is that he grew up on hip hop first, before he got into more avant garde territory.

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Because of the 20-mile limit, most of the Mexican trucks checked are short-hop rigs that pick up a load on the Mexican side and bring it across for an American rig to take onwards.

ECONOMIST: NAFTA