The goblin saw a hole in a tree.

妖精看到树上有一个洞。

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In one scene, Ron is pulled along the ground and through a hole in a tree.

在一幕中，罗恩被黑狗拖去了树洞。

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Either way, if its roots are pulled up from out of the ground as the tree topples over, then there's usually a big hole, a pit left in the ground where the roots used to be.

无论是哪种原因，如果树倒在地上时树根从地下被拔起，那么地面通常会有个大洞，在原来树根所在地留下一个坑。

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Hunter Mahan's tee shot on the 15th hole got stuck high up in a tree, leading to double bogey, but then he rolled in an eagle putt from off the 16th green.

NPR: Stormy Round At Players For Tiger And Sergio

His mental images of the ranch had blurred and faded, leaving only a house with a hole in the middle, an enormous, threatening tree, and a barn flickering with shadows that might have been rats.

NEWYORKER: The Insufferable Gaucho

At the edge of his tree line is a forbidding 4-foot hole in the ground.

FORBES: Magazine Article