University of California-San Diego researchers presented a study to the Society for Neuroscience earlier this year showing that smoking cigarettes sharpens short-term learning and memory among young people.是什么意思_University of California-San Diego researchers presented a study to the Society for Neuroscience earlier this year showing that smoking cigarettes sharpens short-term learning and memory among young people.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句