1. The researchers were particularly interested in what happened between babyhood and toddlerhood. 研究人员对婴儿期和学步的时期特别感兴趣。
2. And dogs grow quickly in the first couple of years, with bigger breeds reaching the equivalent of U.S. voting age in toddlerhood, by age two. 狗在生命前两年长的非常快，体型较大的品种两岁就能发育成熟，达到相当于美国选民法定年龄的水平。
3. They handle the Grand Contradiction the same way they did when it first emerged back in toddlerhood, with power struggles, temper tantrums, or quiet sulking. 他们处理内心矛盾第一次出现时的方式，像蹒跚学步的小儿一样，发脾气，或生闷气。
4. The finding about reading aloud to children long after toddlerhood may come as a surprise to some parents who read books to children at bedtime when they were very young but then tapered off. 给早已过了学步期的小孩大声朗读，竟然能够产生如此好的效果。一些家长在孩子很小的时候，经常在睡前给他们读书，但随后逐渐减少。这项发现或许会让他们感到惊讶。
