countably-infinite set
[网络] 可数无限集；可数无穷集；无限可数集
热门查询
- passive n. 被动语态 adj. 被动的，消极的；被动语态的
- mortgage vt. 抵押 n. 抵押 房屋抵押贷款
- addition n. 添加；[数] 加法；增加物
- cheerfully adv. 高高兴兴地
- gentlewoman n. 贵妇人，有地位的妇女；淑女
- circumstance n. 环境，情况；事件；境遇
- ambiguously adv. 含糊不清地
- clenched adj. 紧握的
- turd n. 粪，粪便；可鄙的人
- ontic adj. 本体的；实体的
- spf abbr. 防晒系数（Sun Protect Factor）；存储保护特征（Storage Protect Feature）
- wrinkle n. 皱纹 vi. 起皱 vt. 使起皱纹
- nowt n. 恶人；邪恶；公牛
- cyclic adj. 环的；循环的；周期的
- manic adj. 躁狂的；狂热的 n. 躁狂症者
- cinnabar n. 朱；[矿物][中医] 辰砂；赤色硫化水银 adj. 朱红色的
- thistle n. [植] 蓟 n. (Thistle)人名；(英)西斯尔
- accent n. 口音；重音；强调；特点；重音符号 vt. 强调；重读；带…口音讲话
- counterinsurgency n. 反暴动；镇压叛乱；反破坏
- pittsburg [地名] [美国] 匹兹堡
考试词汇表
- a bowl of cherries
- a breed of chicken
- a bump in the road
- a bunch of flowers
- a bundle of laughs
- a bundle of nerves
- a busman's holiday
- a calcium compound
- a call to quarters
- a capella singings
- a capite ad calcem
- a cappella singing
- a cast of features
- a chemical element
- a chest of drawers
- a child of fortune
- a children's treat
- a chip in porridge
- a cinderella story
- a classic allusion
