英语语法分析

The new railway line will run overground.

新铁路线将铺在地面上。

《牛津词典》

When the roots become trees underground, the trees are also roots overground.

当根渐渐成了地下的树，树也就成了地上的根。

Forth, walking on the treadmill does not more nature and more firm than overground.

跑台上的行走没有平地上的行走那样流畅和自然。