1饮水鸟的介绍“饮水鸟”是中国古代出现的一种神秘玩具(图1).不用电池,不用发条,只要在鸟头部滴上几滴水,或者把鸟的头部轻轻按在前面的水槽里半分钟然后放开,它就会开始左右摇摆,摇摆几下后就俯身“喝”一口水,然后继续摇摆.在水槽里放满水时能使它一直运动几天,直到水全部蒸发完才会停下.据说曾有人将饮 A drinking water bird’s introduction “drinking water bird ” is a mysterious toy appeared in ancient China (Figure 1). No battery, no clockwork, as long as a few drops of water in the bird’s head, or the bird’s head gently Press for half a minute at the front of the sink and let it go, and it will start to rock right and left, lean over a few times, “drink” a sip of water, and keep swaying. A few days, until the water is completely evaporated will stop .It is said that someone will drink