在叶子上，但叶子会飘落。

On the leaf? But leaves fall down.

youdao

彩虹玫瑰仍带有香甜的气味，花期和普通玫瑰一样长，但叶子可能会很快掉落。

They still have their sweet smell and the flowers will last as long as normal roses, but the leaves may wither sooner。

youdao

彩虹玫瑰仍带有香甜的 气味，花期和普通玫瑰一样长，但叶子可能会很快掉落。

They still have their sweet smell and the flowers will last as long as normal roses, but the leaves may wither sooner.

youdao

And I don't know why, but since time immemorial that is the way computer scientists have drawn trees.

叶子是在最下面的，我不知道为什么,但从记事以来他们就是这么画树的,这也许就是为什么我们。

麻省理工公开课 - 计算机科学及编程导论课程节选