translation.en: And what we found was this curious phenomena, that caregiver speech would systematically dip to a minimum, making language as simple as possible, and then slowly ascend back up in complexity.
translation.zh: 我们发现了一个奇特的现象 照顾者的讲话会系统地将语言简化 简化到最简单的程度 然后渐渐地回升到更复杂的句子