Some may even have heard that language learning is excellent stimulus for the brain.
一些人甚至听说过，学习语言对大脑有很好的刺激作用。
2
Language is learned through stimulus and response.
语言是通过刺激与反应学习的。
3
Structuralist linguists are influenced by the behaviorist ic view that one learns a language by building up habits on the basis of stimulus-response chains.