Or this is something that twitters when the baby inside the belly of a pregnant woman kicks.  Or this is a 14-year-old kid in Chile who made a system that detects earthquakes and publishes on Twitter.
另外，这个装置也连接着推特账号 孕妇穿着它，当宝宝踢动的时候 会自动推出信息 这个来自智利的14岁男孩 做了一个系统 可以检测地震并在推特上发布消息