他认为只有当可理解输入通过情感过滤进入学习者的语言习得机制时，人们才能习得这种语言。
He believes that people acquire a language once the 'comprehensible input' penetrates the affective filter and reaches the learner's innate language Acquisition Device (LAD).
退休工程师，60岁以上的年轻人， 计算机制造者和程序员,专门研究语言习得和计算语言学的语言学家... 。
Retired engineer, 60+ years young. Computer builder and programmer. Linguist specialising in language acquisition and computational linguistics...
从关键期理论角度，语言学家乔姆斯基认为儿童生下来就固有一种掌握语言规则的能力即“语言习得机制”。
By the point of key development period theory, it is realized that every child was born with the ability of getting language.
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