noun 下载 🔗分享 干谷, 旱谷 A valley, gully, or stream bed in northern Africa and southwest Asia that remains dry except during the rainy season. Examples : "During the rainy season, the dry wadi transforms into a rushing river, making travel difficult. " 在雨季,干燥的旱谷会变成湍急的河流,使旅行变得困难。 geography environment 与AI对话词汇游戏阅读练习