Drop your arms and shake them out. Then re-position them at a 90-degree Angle.

放低你的双臂，并用力摆动双臂，然后令你的双臂成90度角。

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Turn so your best side is at a 30-degree Angle from the lens, then slightly drop the shoulder nearest to the camera.

转脸，这样面朝镜头微微偏转30度就是你最佳的那面，然后，朝照相机那头的肩膀轻轻垂下放轻松。

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The sessile drop technique is used to measure the contact Angle between molten aluminum and graphite or copper coated graphite.

采用改进的座滴法分别测定了铝熔体与石墨、镀铜石墨的接触角。

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While tragedies can occur with nearly every handset when it falls onto a hard surface at just the right angle, early drop tests seem to indicate that this won't be as hefty an issue as some of Samsung's past phones.

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The new Diamondback Ride, they tell me, is 230ft off the ground at its highest point, with a first drop of 215ft at an angle of 74 degrees.

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This won't guarantee your screen's safety when you drop your phone, but it at least increases the likelihood of it surviving an impact at an angle.

ENGADGET: Samsung Galaxy S 4 review Mobile