O 开头单词
overdam vt.堤坝淹没
overcutting 过度切削
overcut vt.过度切割(切断；过度调制)
overcurtain vt. 遮掩；遮盖；使模糊
overcurious adj. 多问的；过分好奇的
overcuring 腌渍时间过长
overcure vt.过硫化n.过度熟化(过分处治)
overcunning n.过分狡猾adj.过分狡猾(的)
overculture n.主导文化
overcultivation 耕种过度 过度种植
overcultivate v.过度开垦
overcrowmg 压倒,胜过
overcrowds v.(使)过度拥挤
overcrowding n. 过度拥挤；挤满 v. 过度拥挤（overcrowd的ing形式）；把…塞得过满
overcrowded city 挤集型城市
overcrowded adj.过度拥挤的动词overcrowd的过去式和过去分词.
overcrowd vt. 使过度拥挤；把…塞得过满 vi. 过度拥挤；塞得太满
overcrow vt.打垮(压倒；夸耀)
overcrossing point 上交叉点