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- Dihydroartemisinin is of a State first class new medicine, norcantharidin has won secondary prize for State class invention, while gliqidone alone reaches an annual sales value of 120 million Yuan. 年销售额为2亿元人民币。其中科泰新为国家一类新药，利佳片获国家发明二等奖，糖适平单品种销售额1.;2亿元人民币。
- He always travels first class expense is no object. 他出门总是用头等票－－费用不成问题。
- She took a first class in Oxford. 她在牛津大学获得头等优异成绩。
- Tom came to school late and missed the first class. 汤姆迟到且没有上到第一堂课。
- This ticket doesn't entitle you to travel first class. 你这张票不能坐头等位。
- I'd like a first class ticket to Warsaw for this Sunday. 我要一张本星期日飞往华沙的头等机票。
- That article is an example of first class journalism. 那篇文章是一流新闻文字的范例。
- I sent the letter first class on Monday. 星期一我已把信用快递寄出。
- Won the silver medal for outstanding invention from the Sixth Annual National Invention Award sponsored by Ministry of Economic Affairs of ROC. 获经济部主办的第六届国家发明奖法人组银牌奖。
- These hand embroider one is all first class goods. 这些手绣织品都是一等品。
- The Tan Kah Kee Young People's Invention Award,set up more than 10 years ago,was suggested by Prof. Yang himself. This is to encourage young people to be creative. 早在十多年前设立的陈嘉庚青少年发明奖就是在杨振宁教授的倡议下成立的，以鼓励年轻人具有创新精神。
- Can I transfer to a first class coach? 我可以换到头等车厢吗？
- The TanKah Kee Young People's Invention Award,set up more than 10 years ago,was suggested by Prof Yang himself. This is to encourage young people to be creative. 早在十多年前设立的陈嘉庚青少年发明奖就是在杨振宁教授的倡议下成立的，以鼓励年轻人具有创新精神。
- The entertainment provided was first class. 提供的招待是一流的.
- I'll send the package first class. 我把这邮包按第一类邮件邮寄。
- The TanKah Kee Young People's Invention Award, set up more than 10 years ago, was suggested by Prof Yang himself. This is to encourage young people to be creative. 早在十多年前设立的陈嘉庚青少年发明奖就是在杨振宁教授的倡议下成立的，以鼓励年轻人具有创新精神。
- The cooking in this restaurant is first class. 这家餐馆的烹饪属一流水平。
- The Tan Kah Kee Young People's Invention Award, set up more than 10 years ago, was suggested by Prof. Yang himself. This is to encourage young people to be creative. 早在十多年前设立的陈嘉庚青少年发明奖就是在杨振宁教授的倡议下成立的，以鼓励年轻人具有创新精神。
- Will that be first class or economy class? 您愿意要一等舱还是经济舱?
- Would you like to go first class or business class? 您要头等舱还是公务舱?
