markdown的复数形式怎么写

On the calendar below, markdown 2 - 3 important things that you need to do this month.请在旁边的日历记下 2-3 件你在本月要做的重要事情....

markdown的音标：markdown的英式发音音标为：['mɑ:kdaʊn]markdown的美式发音音标为：['mɑrkdaʊn]...

n.减价...