Photographing from a hide in the Drakensberg mountain range in South-Africa, I captured this moment of interaction between a black-backed jackal and an endangered cape vulture.

照片拍摄于南非洲德拉肯斯山脉的一个隐藏处，我拍摄到了这张黑背豺狼与濒临灭绝的秃鹫之间互动时刻的照片。

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At present, children are assessed for autism through a lengthy process involving a range of tests that explore the child's social interaction, communication and imaginative skills.

而到目前为止，孤独症的确诊还是一个非常漫长的过程，孩子们要经过一系列的测试，来检查他们的社会互动、沟通能力以及想象力。

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Asynchronous and synchronous interaction styles are supported, along with a wide range of communication technologies.

支持异步和同步交互样式，并支持各种通信技术。

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And I think the Philippines obviously has benefited from their interaction with Americans on a whole range of issues.

WHITEHOUSE: President Obama and President Aquino of the Philippines Speak Before Bilateral Meeting | The White House

Collaborative actions can have an unknown range of results from interaction.

FORBES: Collaboration Is A Heuristic That May Work �� Or Not

The group sessions are presided over by a supervisory teacher whose role it is to promote interaction and guide the students through a range of topics and modes of discussion.

UNESCO: Country Profile: Uruguay