英语语法分析

A snail was living on a back of a butterbur leaf.

蜗牛隐居在一片款冬叶后。

There was a butterbur leaf in a country of the south.

在一个国家的南方生长着款冬叶。

Two snails were living on a back of the butterbur leaves.

两只蜗牛一直生活在款冬叶上。