This remote comforting , derived from more primitive primate communication systems , marked the start of motherese , falk contends 根据法克的说法，这种遥抚源自原始的灵长类沟通系统，却是儿语的演化起点。
英文释义
名词
an adult''s imitation of the speech of a young child 同义词：baby talk, babytalk
