Hold the floss tightly against the tooth, and move it away from the gum. Slide it firmly down the tooth surface, combining this with a back-and-forth motion.

牙线紧紧地贴着牙齿，往上向远离牙龈的方向移动，再沿着牙齿邻面向下移动，把这个动作跟牙线的前后移动组合在一块。

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So, what Kepler's second law says is that the motion of planets is, first of all, they move in a plane.

开普勒第二定律说到，首先每个行星的运动都保持在同一平面内。

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After you zoom in to a picture, you can use a simple swiping motion with your mouse or finger to move to the next picture.

在你放大一张照片之后，用你的鼠标或者用手指做一个简单的翻页手势就可以移到下一张图片了。

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You'd be able to create animation in 3-D using a Move motion controller all in real time.

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Like Natal, Move makes use of a motion-sensing camera called the PlayStation Eye (successor to EyeToy).

FORBES: Sony's PlayStation Move: Deep In The Heart Of Sony's R&D Lab

But the opposition is threatening to move a no-confidence motion in the government to force an early poll.

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