n. 习惯，风俗 Social customs vary in different parts of the world. 世界各地的社会风俗都不同。 n. 惯例；（复数）关税 the customs 海关 customs duties 关税 customer n. 顾客，主顾 cycle n. 自行车；循环，周期 the cycle of the seasons 四季循环 vi. 骑自行车；循环 dairy n. 牛奶场，乳品店；乳制品 adj. 牛奶的，乳品的 dam n. 堤坝，水闸 damage vt. 损害，毁损 A lot of houses were damaged by the flood. 许多房子被洪水冲毁了。 n. 毁损；（复数）损坏赔偿金 do damage to 对 有损害 damp adj. 潮湿的，微湿的 n. 潮湿，湿气 darling n. 心爱的人 dash n. 猛冲，飞奔 He made a dash for the goal. 他向终点冲去。 the hundred-meters dash 百米短跑 n. 破折号 vi. 猛冲，飞奔 vt. 猛掷，打碎 He dashed the plate to pieces. data n. 数据，资料 dawn n. 黎明 vi. 破晓 The day dawned. 天亮了。 daylight n. 白昼，日光；黎明 dawn deaf adj. 聋的，装聋的，不愿听的 turn a deaf ear to 对 置若罔闻 He turned a deaf ear to our requests for help. 他对我们的援助请求置之不理。 debate n. 辩论，讨论 discussion debate sth. with sb. 与某人辩论某事 debate about sth. 讨论/辩论某事 debt n. 债务，欠债 in debt 负债，欠债 out of debt 还清债务 decade n. 十年，十年期 decay vi. 腐烂，腐朽；衰败，衰落 n. 腐烂，腐朽；衰败，衰落 fall into decay 衰落，衰败 in decay 腐朽 deceive v. 欺骗，蒙骗 deceive sb. Into doing sth. 骗某人做某事 be deceived in sb. 看错某人 deck n. 甲板；桥面，层面 decorate vt. 装饰，装潢 She decorated the room with flowers. 她用花装饰房间。