adj.[语]动词之前的；尚未学会说话的；以没有口语为特征的

This work offers evidence of memory expansion based on conceptual knowledge in untrained, preverbal subjects. 这组作者还发现婴儿有可能把他们的记忆容量扩展到至多6个对象。

These findings constitute evidence that preverbal infants assess individuals on the basis of their behaviour towards others. 这些发现组成了以下命题的证据：尚未获得语言能力的婴儿可以通过某些个体对其他个体的行为来评价它们。

Based on the capacity of affirming quantity, younger infants are sensitive to number which is the jumping-off point for them acquiring rich preverbal quantitative knowledge. 摘要基于天赋的“快速确认”数量的能力，较小的婴儿对数字就很敏感，以此为起点他们获得了丰富的前语言的数量知识；

In addition, work with animals fosters the use of techniques that are not dependent on verbal responses and that may therefore be suitable for use with preverbal children. 此句应注意两个并列的定语从句。参考译文：另外，对动物的研究工作促进了非语言交流的方法的应用。这些方法正适合应用于还不会讲话的孩子。

In addition, work with animals fosters the use of techniques that are not dependent on verbal responses and that may therefore be suitable for use with preverbal children.?? 此句应注意两个并列的定语从句。参考译文：另外，对动物的研究工作促进了非语言交流的方法的应用。这些方法正适合应用于还不会讲话的孩子。??