translation.en: And when the molecule hits a certain amount that tells the bacteria how many neighbors there are, they recognize that molecule and all of the bacteria turn on light in synchrony.
translation.zh: 当这些个分子累积到一定的量之后， 它们会告诉了细菌，它们周围有多少邻居， 细菌接受到这些信息后， 所有的细菌，同时开始发光。