慢速英语:Lincoln's Words at Gettysburg

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dedicated – adj. having strong support or loyalty; v. used time, money or energy for a purpose

dedicate - v. officially make a place for remembering someone or something;

proposition – n. a statement to be proved, explained or discussed

consecrate – v. to make something holy

devotion – n. a feeling of strong love or loyalty

resolve – v. make a final, serious decision

in vain – adj. without producing a good result