VOA慢速英语:Lincoln's Words at Gettysburg Still Have Meaning

address – n. a speech

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

This story uses many forms of the word dedicate. In the comment section, see if you can write three sentences that each use the word differently.