n. 小谷, 溪谷

[ noun ]
an open river valley (in a hilly area)
<noun.object>

Dale \Dale\ (d[=a]l), n. [AS. d[ae]l; akin to LG., D., Sw.,
Dan., OS., & Goth. dal, Icel. dalr, OHG. tal, G. thal, and
perh. to Gr. qo`los a rotunda, Skr. dh[=a]ra depth. Cf.
{Dell}.]
1. A low place between hills; a vale or valley.

Where mountaines rise, umbrageous dales descend.
--Thomson.

2. A trough or spout to carry off water, as from a pump.
--Knight.