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drainage system [英] [ˈdreɪnɪdʒ ˈsɪstəm] [美] [ˈdrenɪdʒ ˈsɪstəm] [短语] 排水系统 词频排名 39049/55435 学习人数 10 难度等级 10/10 认知比例 50.00% 例句 The drainage system has collapsed because of too much rain. 由于降雨过多,排水系统已经彻底瘫痪了。 The drainage system has been aged. 排水系统已经老化了。 助记 联想 emissions cheating scandal排放作弊丑闻 drainage system排水系统 pollutant discharge license排污许可证
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