There is a kind of rough wall surface, which is said to be sound-absorbing.

有一种墙面是麻的，据说可以吸音。

《新英汉大辞典》

Now visualize that same wall absorbing all of your negative reactions.

继续想象，设想这堵墙也能吸收你自己的负面言行。

youdao

Now visualize that same wall absorbing all of your negative reactions.

继续想象，设想这堵墙也能吸收你自己的负面言行。

youdao