如果声明一个实体引用指向一个本地文件，然后展开它。

Here you declare an entity referring to a local file, then expand it.

youdao

先把旗子展开，然后迅速地把它升到旗杆的顶端。

Unfold the flag first, and then hoist it quickly to the top of the flagpole.

youdao

因为Project Area是一个顶级节点，您就需要用到它的拉下菜单(图16)，然后选择open(双击只能展开或缩小它)。

Because the Project Area is a top-level node, you'll need to use its drop-down menu (Figure 16) and select Open (double-clicking will only expand or contract it).

youdao

And I'm going to rewrite it now with that P expanded out.

我把它代入到这个表达式然后展开

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