核心词议：
n. 九，九个
num. 九；九个
nine 基本解释
num. 九；九个；第九
n. 九，九个
adj. 九的，九个的
n. 九，九个
adj. 九的，九个的
速记方法
知识扩展
常考短语 1
casting out nines
去九法 ; 舍九法
2
The Nines
九度空间 ; 第九空间 ; 奈恩斯酒店 ; 命
3
dress to the nines
穿着非常时髦华丽 ; 衣着光鲜
nine 变化形式
复数： nines
易混淆的单词： Nine
易混淆的单词： Nine
中文词源： nine 九 来自古英语nigen,来自PIE*newn,九，词源同noon,November.一种观点认为该词与PIE*newos属于同一词源，新的，词源同new,novelty.因为九在古代观念里意味着完美，顶点，同时也意味着新生，新的开始。 nine
精选例句
1、 Another set of participants had to count backward from 1,000 by nines as they watched the clips, occupying their conscious working memory.
另一组参与者在观看视频片段时必须从1000开始倒数，依次减9，这占据了他们有意识的工作记忆。
2、 The value 99% is usually called two nines.
99% 通常被称为两个 9。
常见考点例句：
- Nine years later he married his wife maggie .
- 九年后他与妻子麦基结婚。
- She has been held without charge for nine months .
- 未被指控，她被羁押了九个月。
- Nine times out of ten it points the wrong way .
- 有十分之九的几率，线索会指向错误的方向。
- In second place was zhang yin of nine dragons paper , the recycling company which also listed recently .
- 第二位是玖龙纸业的张茵，这家纸品回收公司也于最近上市。
- Japan 's delegation will number nine .
- 日本代表团规模为九人。
