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- It's the first day of the nine periods following the winter solstice, but it is really cold already. 交九第一天怎么就这么冷！
- "ShuJiu" is a Chinese custom,That is nine periods from the beginning of the midwinter, every period have nine days. “数九”是中国的一个风俗，就是从冬至开始，九天为一个周期，一共数九个周期。
- They begin their lessons at nine o’clock in the morning, and they have nine periods in the whole day.But between each period they only have four minutes to have a rest. 他们每天早上九点开始上课，一天共有九个课时段，但每个课时段中间只有四分钟的休息时间。
- The paper bases on the historical data of the price of grain in stock in the Tang Dynasty, dissertate the level and change trend of the price in detail on nine periods in the Tang Dynasty. 本文根据现存唐代粮价史料，对唐代九个时段通常粮食价格水平及其变动趋势进行了详细论述。
- She'd be in time if she got the nine o'clock bus. 如果她赶上九点钟的汽车，她就会及时到达。
- The couple seemed to be on cloud nine. 那对夫妇看上去极其幸福。
- Alcoholics often suffer from periods of oblivion. 饮酒过度的人常常失去记忆。
- She had already gone to bed at nine last night. 昨晚九点钟她已上床去睡了。
- What time is it? It is nine o'clock. 现在是几点钟？现在是九点钟。
- We have three periods of chemistry a week. 我们一星期三节化学课。
- Are you sure you can come by at nine? 你肯定你九点能来吗？
- I have nine dolls in the bedroom. 我的卧室里有九个布娃娃。
- That period was a bright page in the history of Chinese literature. 那个时期是中国文学史上光辉的一页。
- He wants some brown shoes with lace, size nine. 他想要棕色的第带鞋，9号的。
- Let us hope that the period of this injustice will be over soon. 让我们希望这个不公正的时期很快结束吧。
- He was on cloud nine after winning the competition. 他在比赛获胜後欣喜若狂。
- The company doubled its size in nine years. 9年来这家公司的规模扩大了一倍。
- Generally magazines come out at stated periods. 一般来说，杂志定时出版。
- Do she start out at nine or eight this morning? 她是今天早上9点还是8点出发的？
- I'll leave for Shanghai at nine. 九点钟，我将赴上海。
