来自《耶鲁大学开放课程：心理学导论第6集第6集》

versus a sign language.

不存在任何的差别
Around twelve months of age,

儿童在大约十二个月大时
children start using their first words.

开始使用他们的第一个词
These are words for objects and actions

都是些表达客体和动作的词
like "Dog" And "Up" And "Milk."

例如"狗" "向上"和"牛奶"
They start showing some sensitivity to the order of words.

他们开始对词语顺序感到敏感
So they know that "Dog bites cat"

所以他们知道"狗咬猫"
is different from "Cat bites dog."

和"猫咬狗"是不同的
Around eighteen months of age,

在大约十八个月大的时候
they start learning words faster.

他们学习单词的速度加快
They start producing little, miniature sentences

他们开始创造出短小的句子
like "Want cookie" Or "Milk spill"

比如"要饼干"或"奶洒了"