Open it and go straight ahead: always straight ahead, over level or steep, over smooth or rough, over dry or wet.

始终笔直往前走去，经过平坦的或是陡峭的地方，经过干燥或潮湿的地方。

youdao

Open it and go straight ahead: always straight ahead, over level or steep, over smooth or rough, over dry or wet.

始终笔直往前走去，经过平坦的或是陡峭的地方，经过干燥或潮湿的地方。

youdao