肢体语言可以透露你很多的情绪信息，所以双臂交叉站立表明你在自我保护。
Body language can give away a lot about your mood, so standing with your arms folded can send out a signal that you are being defensive.
对孤立儿童的个案研究表明，他们缺乏坚定的自我概念，而其语言能力的缺乏严重阻碍了他们的智力和心理发展。
Case studies of children who are isolated from others reveal that they lack a firm self-concept, and their mental and psychological development is severely hindered by lack of language.
研究人员就可以看到，当自己只是大声说出信息时，自我识别的语言学习者是否真的学得更好。
The researchers can see if the self-identified verbal learners really learned better when the information was just spoken aloud.
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