Rock and soil samples and information of many other kinds have become available in recent years.

月球上的岩石和土壤的样本，以及许多其它类型的信息，近些年来已经为人们所知所用了。

youdao

Rock and soil samples and information of many other kinds have become available in recent years.

月球上的岩石和土壤的样本，以及许多其它类型的信息，近些年来已经为人们所知所用了。

youdao