In all cases the roots quickly form a continuous mat or rope lining the entire channel.

在所有的情况根很快地形成一条连续的垫或粗绳衬里整个的频道。

youdao

In all cases the roots quickly form a continuous mat or rope lining the entire channel.

在所有的情况根很快地形成一条连续的垫或粗绳衬里整个的频道。

youdao