valley
/ˈvælɪ/noun
(pl. -eys)
1
- a low area of land between hills or mountains, typically with a river or stream flowing through it山谷, 溪谷。
2
- Architecture an internal angle formed by the intersecting planes of a roof, or by the slope of a roof and a wall【建筑】屋顶斜沟, 屋面排水沟。
词源
Middle English: from Old French valee, based on Latin vallis, valles: compare with VALE1 .