To undo your last action, click the Undo button on the Standard toolbar. Click it again to undo the previous action. To repeat an action, click the Redo button.是什么意思_To undo your last action, click the Undo button on the Standard toolbar. Click it again to undo the previous action. To repeat an action, click the Redo button.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句