There is no rule about the size of the caber, but it's usually the size of a small tree.

没有规定投棒的尺寸，但它通常像一颗小树那么大。

youdao

All of a sudden, a lizard about the size of a small crocodile hurtled out of the undergrowth and raced up a nearby baobab tree.

突然，一只小鳄鱼大小的蜥蜴从矮灌木丛中蹿出，爬上了附近的一棵猴面包树。

youdao

The shrub-like plant is usually moderate in size, but can reach the size of a small tree.

这种灌木状的植物通常是中等大小，但可以达到一棵小树的大小。

youdao

Most people see them in flower arrangements, but here it's the size of a small palm tree.

CNN: New York vs. Los Angeles: L.A. is a 'heavenly place'