vorstehende 用英语:

Close up, he saw that Stan Shunpike was only a few years older than he was, eighteen or nineteen at most, with large, protruding ears and quite a few pimples.

Steve has a protruding nose

Because of this protruding bumber you and up muck and water all over your legs

Moreover, when viewed from the side, the front teeth are protruding.