我的手掌被岩石的锋利边缘割伤了。

I cut the ___palm of my hand on the sharp edge of the rock.

在一阵热烈的掌声之后，他们的手掌又红又痛。

After the intense applause, their ___palms were red and sore.

她仔细端详着他手掌上深深镌刻的掌纹。

She read the fortune lines etched deeply across his ___palm.