FACEBOOK CEO 马克.扎克伯格（左）2011年7月6日周三在位于加利福尼亚帕罗奥图的总部发布会期间观看视频通话的演示 Paul Sakuma / AP Photo

Facebook CEO Mark Zuckerberg, left, watches a demonstration of Video Chat during an announcement at Facebook headquarters in Palo Alto, Calif., Wednesday, July 6, 2011. , Paul Sakuma / AP Photo

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点击此演示页观看视频，了解我们正在开发的客户功能。

See this Demo page for a video clip of the client functionality we're developing.

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可以通过模拟演示、图片描述、即兴、播放、观看视频等方式，提高运用语言的准确性。

Can through simulation demonstration, image description, impromptu speech, videos, watch video, improve the accuracy of using language.

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