A friendly polar bear loving nothing more than an audience and climbing out of his snowy bed to give a cruise ship a wave was caught on camera by a photographer, the Daily Mail of London reported.

据英国《每日邮报》报道，一位摄影家日前在北极斯瓦尔巴德群岛拍到一只超有表现欲的好客北极熊，当一艘游艇经过它家附近时，它从雪窝中爬出来，向过往的人们挥掌执意。

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Press the ESC key to immediately pan the camera at the direction your Marine is facing. You will earn 25 additional Experience at the end of each Wave.

按下ESC键将镜头立刻转向你的陆战队员面向的方向。每波怪物结束后你将得到额外的25经验值。

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The trajectories of particle movements in a standing wave acoustic field are recorded by fast-speed video camera.

采用可视化实验的方法，拍摄可吸入颗粒在驻波声场中的运动轨迹。

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It wasn't too bad - hands in the air, a couple of finger clicks, and a big wave to the camera.

BBC: Eurovision 2010: Filming the interval act

They proudly display their certificates of naturalization and wave their flags for the camera.

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GoPro founder and CEO Nicholas Woodman rode the wave of the world's fastest growing camera company to become a billionaire.

FORBES: Nicholas Woodman