it is said that an umbrella was inventedover four thousand years ago by chinese people

问题描述:

it is said that an umbrella was inventedover four thousand years ago by chinese people

相传雨伞是中国人在4千年多前发明的。

据说雨伞是发明家在4千多年前由中国人发明的

相传中国人在4千年前就发明了雨伞

据说中国人四千年前就已经发明雨伞了。

据说雨伞是中国人在400多年前发明的

据说,中国人发明雨伞已经有400年的历史了。

it is said that an(the) umbrella was inventedover four thousand years ago by chinese people
据说伞是由四千年前的中国人发明的