Examples
sì四yuè月shì是zhòng shù种树de的shí hou时候。
四月是种树的时候。
April is the time to plant trees.
春天是适合种树的季节。
Spring is the season for planting trees.
为了让我们和大家都记住这个日子，我请大家跟我们一起来种树。
In order to make us and everyone else remember this day, I ask everyone to plant a tree with us.