脚后跟

yòu jiǎo hòu gen

右脚后跟

right heel

tā rēng le xuě jiā yān tóu yòng jiǎo hòu gen bǎ tā niǎn jìn dì tǎn li

他扔了雪茄烟头，用脚后跟把它碾进地毯里。

He dropped a cigar butt and ground it into the carpet with his heel.