英语语法分析

The vines grow on a clay and schistous soil.

该葡萄树生长在粘土和片岩土上。

Nanjing sand is anisotropic because of the schistous grain. Its horizontal strength is greater than that in vertical.

片状颗粒成分使得南京砂具有各向异性的性质，其水平向强度小于垂直向强度。