他们没有Iolaus这样的朋友帮他们用滚烫的烙铁把九头蛇怪的脑袋斩草除根，于是刚打碎一个脑袋，又长出来两个。

They have no friend Iolaus to burn with a hot iron the root of the hydra's head, but as soon as one head is crushed, two spring up.

youdao

他们没有Iolaus这样的朋友帮他们用滚烫的烙铁把九头蛇怪的脑袋斩草除根，于是刚打碎一个脑袋，又长出来两个。

They have no friend Iolaus to burn with a hot iron the root of the hydra's head, but as soon as one head is crushed, two spring up.

youdao