Third, with the syntax tree gone, the interpreter no longer needs to propagate execution state between syntax tree nodes.

第三，由于不再需要语法树，解释器无需继续在语法树节点间传送执行状态。

youdao

I saw a crape myrtle that's supposed to be the oldest tree in the state.

我看见一棵紫薇树，应该是佐治亚州最老的树了。

youdao

At the end of tree-visitor, both the final state and the final tree are returned.

tree - visitor结束时将同时返回最终状态和最终树。

youdao

South Carolina's nickname is the easier of the two: It is The Palmetto State because of a fan-leafed palm tree that grows there.

VOA: special.2011.01.16

South Carolina's nickname is the easier of the two: It is the Palmetto State because of a fan-leafed palm tree that grows there.

VOA: special.2011.01.16

Somewhere in the world--a state park in the U.S., most likely--that tree will soak up the carbon dioxide greenhouse gases produced in the operation of that PC.

FORBES: Dell's Opt-In Environmentalism

And he has persuaded state lawmakers to hold public tree and power-line hearings in advance of February's legislative session.

WSJ: If a Tree Falls, Will the Lights Go Out? Maybe in Connecticut