And the packman snail, too, with his home on his back.

而蜗牛小贩，也，背上他的房。

One customer urge the vendor to heat the soup to boiling point, but the packman is impatient with any suggestion.

有个顾客催他加块煤，煮到沸点，他对此类建议却总是很不耐烦。