後跟的用法和樣例：
例句
-
鞋後跟鞋或靴支撐腳跟部分的組合部分
The built-up portion of a shoe or boot, supporting the heel. -
鞋子太緊了，我腳後跟起了個泡。
I have a blister on my heel because my shoes are too tight. -
她真可憐，走路不方便，她腳後跟長了一個水泡。
She, poor soul, is tied by the leg. She had a blister on one of her heels. -
他立正敬禮，鞋後跟發出咔嗒一聲。
He saluted with a click of his heels.
