I heared it's the biggest botanical garden within the Forth Ring in Beijing. It contains seven greenhouses and fifteen outdoor garden squares.

听说这是四环以内最大的植物园，一期景观由七大温室和十五个花园广场组成。

youdao

I don't remember having heared you say that.

我不记得听你说过这话。

youdao

I don't remember having heared you say that.

我不记得听你说过这话。

youdao