B1US#football#concussion#injury#risk#heavier#american footballThe Life-Threatening Effects Of Football On The Body00洪胤祐 posted on 2017/02/23More optionsShareSaveReportVideo vocabularyNo vocabulary matches your filterschronicUS /ˈkrɑnɪk/・UK /'krɒnɪk/AdjectiveAlways or often doing something, e.g. lying(Of disease) over a long time; seriousB1More mentalUS /ˈmɛntl/・UK /ˈmentl/AdjectiveConcerning the mindA2TOEICMore depressionUS /dɪˈprɛʃən/・UK /dɪ'preʃn/Noun (Countable/Uncountable)Medical condition of a lack of vitalityPeriod of unemployment and low economic activityB2More grabUS /ɡræb/・UK /ɡræb/Transitive VerbTo take and hold something quicklyA2More Use EnergyUnlock All VocabularyUnlock pronunciation, explanations, and filtersUnlock