If you are processing a large XML data tree, keep in mind that SimpleXML loads the full XML document tree into memory before processing.

如果您处理的是一个大型的XML数据树，那么请务必注意SimpleXML在处理前是需要将整个XML文档加载到内存中的。

youdao

Mulan: Ancestors, hear my plea, help me not to make a fool of me, and not to up root my family tree, keep my father standing tall.

木兰：祖先们，请听我的请求，请帮助我不要傻头傻脑，不要让我们家业衰落，让我的父亲傲气做人。

youdao

If you spray a tree, keep the water away from nearby power lines. Heavy ice can form and break them.

如果为树木洒水，注意，一定要远离附近的电线，否则可能形成很厚的冰层，使电线受到损坏。

youdao

If you spray a tree, keep the water away from nearby power lines.

VOA: special.2010.01.12

"It's called the Quiver Tree and the large branches are hollowed out to keep arrows in."

VOA: standard.2010.08.09

It is said that the Romans often cut down a fir tree to keep in their houses during the sparse winter months as a form of appeasement to the goddess Ceres (originally Demeter, Greek goddess of the hearth).

FORBES: The Frosty, Festive World Of Investing

Originally used to keep livestock out of the native and exotic tree collections, they now also act as vehicle boundaries and help to guide visitors.

BBC: Ha-ha fences to be repaired at Westonbirt Arboretum

The Tree Council will plant more than 1, 000 trees across four sites and Keep Britain Tidy will plant 100, 000 trees across 750 sites.

BBC: Government launches ?4.2m urban tree-planting plan