其中有一棵已经老死，树心枯烂成灰。

One of them had been dead and it had been rotten in the center.

youdao

这棵苹果树心理平衡了。

Psychological balance of the apple tree.

youdao

兄弟俩把树心掏空，掏成一个很大的树洞。

So the brothers emptied the center of the tree and made a big hole.

youdao

兄弟俩把树心掏空，掏成一个很大的树洞。

So the brothers emptied the center of the tree and made a big hole.

youdao