It's known that she is a good swimmer(by people),括号里面的内容一般省略.
这一类的句子都是变为 it's known ;said ;believed,supposed that + 从句,这时it 是做的形式主语.
不懂欢迎追问.
It's known that she is a good swimmer(by people),括号里面的内容一般省略.
这一类的句子都是变为 it's known ;said ;believed,supposed that + 从句,这时it 是做的形式主语.
不懂欢迎追问.