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- It's the first day of the nine periods following the winter solstice, but it is really cold already. 交九第一天怎麼就這麼冷！
- "ShuJiu" is a Chinese custom,That is nine periods from the beginning of the midwinter, every period have nine days. 「數九」是中國的一個風俗，就是從冬至開始，九天為一個周期，一共數九個周期。
- 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. 他們每天早上九點開始上課，一天共有九個課時段，但每個課時段中間只有四分鐘的休息時間。
- 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. 本文根據現存唐代糧價史料，對唐代九個時段通常糧食價格水平及其變動趨勢進行了詳細論述。
- She'd be in time if she got the nine o'clock bus. 如果她趕上九點鐘的汽車，她就會及時到達。
- The couple seemed to be on cloud nine. 那對夫婦看上去極其幸福。
- Alcoholics often suffer from periods of oblivion. 飲酒過度的人常常失去記憶。
- She had already gone to bed at nine last night. 昨晚九點鐘她已上床去睡了。
- What time is it? It is nine o'clock. 現在是幾點鐘？現在是九點鐘。
- We have three periods of chemistry a week. 我們一星期三節化學課。
- Are you sure you can come by at nine? 你肯定你九點能來嗎？
- I have nine dolls in the bedroom. 我的卧室里有九個布娃娃。
- That period was a bright page in the history of Chinese literature. 那個時期是中國文學史上光輝的一頁。
- He wants some brown shoes with lace, size nine. 他想要棕色的第帶鞋，9號的。
- Let us hope that the period of this injustice will be over soon. 讓我們希望這個不公正的時期很快結束吧。
- He was on cloud nine after winning the competition. 他在比賽獲勝後欣喜若狂。
- The company doubled its size in nine years. 9年來這家公司的規模擴大了一倍。
- Generally magazines come out at stated periods. 一般來說，雜誌定時出版。
- Do she start out at nine or eight this morning? 她是今天早上9點還是8點出發的？
- I'll leave for Shanghai at nine. 九點鐘，我將赴上海。
