16th President of the United States; saved the Union during the Civil War and emancipated the slaves; was assassinated by Booth (1809-1865)是什么意思_16th President of the United States; saved the Union during the Civil War and emancipated the slaves; was assassinated by Booth (1809-1865)在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句