Even if our coffee cup is actually stationary on our desk, we move our eyes and head while reaching to pick it up so the image of the cup will move on our retina.
即使放在桌上的咖啡杯静止不动，我们转过眼或回过头去拿时，视网膜上杯子的影像也在动。
2
The bear is not yet on sale - and whether or not a robotic paw reaching up to turn one's head over is any more effective than one's partner shoving the person remains to be seen.
这种机器熊尚未上市销售——机器熊用爪子翻转头部是否比伴侣直接推搡更加有用，还有待观察。
3
Her little crowned head hardly reaching his chest.