Gullies are too large to be crossed with farm equipment.

冲沟由于过于大则不是农用机具所能横跨的。

They say that seems the gullies usually formed by water.

他们说峡谷通常由水形成。

They say that's sense that gullies are usually formed by water.

他们说，这可能是水造成的。

Some peaks and ridges face each other and form deep cliffs and gullies.

有的峰岭夹峙峡谷自然形成了陡壁深壑。

Expertly he zigzagged his way across the field, avoiding the deeper gullies.

他熟练地左一拐右一拐地绕过深沟，穿过了原野。