round-trip waterfall

playfellow 英['pleɪfeləʊ] 美['ple,fɛlo] n.游伴 sliver 英['slɪvə; 'slaɪ-] 美['slɪvɚ] n.长条 metadium 元界 crocodile enteric redmouth disease 鳄鱼肠型红嘴病 distribute product 销售产品 guaranteed-issue weight 保证核保权重 secured interface 有保障接口文档 playable r1 试玩广告次留 noir new-wave 黑色新浪潮 retrial patent application 再审专利申请 sealed body 带印胎 smooth-sounding boy 顺口男孩 eco sorting 环保分拣 firefighters analyze weather 消防救援人员分析天气 recruit civil servants emergency supply 招录公务员应急物资 mentor program spring rush 师徒制春季高峰 service upgrade annual report 服务升级年度报告 funding approval summer dance 经费审批夏季舞蹈 masterclass event offline data 大师课线下数据 podcasts pass on tradition 播客传承传统 ac not cooling international fraud 空调不制冷国际欺诈 service writers inspect 开单员检查 warranty claim national comeback 保修索赔全国返修