基本解释河间的同根派生 interstream相关词英汉例句Study on Seepage in the Interstream Area of the Huashan Reservoir 花山水库河间地块的渗漏研究interstream area 河间地区interstream groundwater ridge 河间地下分水线piedmont interstream flat 山前侵蚀平原interstream更多例句