valley noun
ADJ. broad, deep, high, long, steep, wide | little, narrow, shallow, small | steep | lower, upper | fertile, forested, green, wooded | mountain, river | Rhine, Thames, etc.
VALLEY + NOUN bottom, floor, side
PREP. in a/the ~ The cottage was in a wooded valley.
You can also check other dicts: valley (English, 中文解释 ), wordnet sense, Collins Definition