Significados de deep troughs en inglés

Bolitho watched the bronze shine on the deep troughs giving way to deeper shadows.

Now the 66-year-old doctor, who never dreamed of owning a tree, has avocado, papaya and lemon trees in meter- deep troughs.

While that is true in many cases, he says large ice sheets can flow into deep troughs where the underlying rock lies below sea level.

Deep troughs the size of valleys opened as if to reveal the infinite depths.