Complete leaf composed of petiole, blade and stipule.

完全叶由叶柄、叶片和托叶组成。

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This is unlike the previous scenarios we have seen we could assert that the patterns we complete, an XML node is either a node or a leaf, we did not allow for the possibility of anything else.

这不像之前的例子中，我们能断言一个模式的执行结果，对于xml节点来说不是节点就是叶子，我们也不允许有其他可能的情况存在。

youdao

But every vein of the green leaf, every line of the peony, just told me with complete sureness how carefully and how devotedly you were drawing then!

但绿叶的那一道道脉络，牡丹的那一丝丝线条，都确凿无疑地告诉我你在画它们时是多么认真多么专注！

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