Proto-Indo-European is a reconstructed language, meaning, it is what linguists concluded a parent language of Sanskrit, Latin and Greek would have to be like.
原始印欧语是一门经过重构得出的语言，也就是说，这就是语言学家总结出梵语、拉丁语和希腊语的母系语言的样子。
Most languages derive from one parent language. Mednyj Aleut has two parents.
绝大多数语言只源自一种父系语言，而MednyjAleut却有两个源头。
Identifying similar words, linguists have come up with what they call an indo-european parent language, spoken until 3500 to 2000 B.
语言学家鉴定了相似文字，发现他们所称的印欧母语一直使用到公元前3500至2000年。
A systematic study revealed that many modern languages descended from a common parent language, lost to us because nothing was written down.
系统的研究显示，许多现代语言起源于一个共同的母语，但由于没有文字记载，该母语已经失传。
Working two jobs, single-parent families, poor English language skills, and unaffordable child care all can conspire to prevent parents from doing what is best for their children.
两份工作，单亲家庭，贫乏的语言，支付不起的育儿花费，这些问题都阻止着父母为孩子提供最好的。
It is with language that much of the parent-child affective bonding takes place.
大部分父母跟孩子间的情感联系就是经由语言而开始的。
If a parent encourages the child to actively respond to what the parent is reading, the child's language skills increase.
如果父母鼓励孩子积极的回应父母读的东西，孩子的语言技巧就会相应提高。
If a parent encourages the child to actively respond to what the parent is reading, the child's language skills increase.
如果父母鼓励孩子积极的回应父母读的东西，孩子的语言技巧就会相应提高。
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