1.To express delight, for example, the robot put its hands over its head and opens its mouth and eyes wide.
例如，表达喜悦，机器人会将手举过头顶，并且睁大眼睛咧开嘴笑。
2.For example, when a Chinese receives a gift, he will say, "Thank you, " but will not open the gift and express delight over it.
比如当一个中国人收到礼物时他会说“谢谢”，但是他不会立即打开包装表达自己的快乐。