慢速英语:Improve Your Pronunciation By Setting Reasonable Goals

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discouraged – adj. less determined, hopeful, or confident

accent – n. a way of pronouncing words that occurs among the people in a particular region or country

puberty – n. the period of life when a person's sexual organs mature and he or she becomes able to have children

plasticity – n. the quality of being able to be made into different shapes

pronunciation – n. the way in which a word or name is pronounced