盆地围绕的

[ adj ]
enclosed in a basin
<adj.all>

Basined \Ba"sined\, a.
Inclosed in a basin. ``Basined rivers.'' --Young.

enclosed \enclosed\ adj.
surrounded or closed in, usually on all sides. Opposite of
{unenclosed}. [Narrower terms: {basined}; {capsulate,
capsulated}; {closed, closed in(predicate)}; {coarctate};
{confined, fenced in, penned}; {embedded, fixed}; {embedded,
surrounded}; {encircled}; {enveloped}; {fogbound};
{self-enclosed}; {surrounded, encircled}]
[WordNet 1.5]