问题描述:
新概念英语的一句话
a businessman on a fishing trip saw the puma up a tree
up在这里是副词吗?那 a tree 又是什么?
a businessman on a fishing trip saw the puma up a tree
up在这里是副词吗?那 a tree 又是什么?
问题解答:
我来补答展开全文阅读