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- This paper reviews briefly recent developments in the regio and stereoselective ring opening of 2,3 epoxy alcohols and their derivatives by a variety of methods. 简要综述了对2，3-环氧醇及其衍生物进行区域及立体选择性开环的各种方法的近期进展。
- Keywords Photodissociation dynamics;1 propanol;2 propanol; 光解动力学;正丙醇;异丙醇;
- Keywords propiophenone;oximinopropiophenone;erythro 2 amino phenyl 1 propanol;synthesis; 苯丙酮;羟亚氨基苯丙酮;赤式-2-氨基-1-苯基-1-丙酮;合成;
- Jaeger test type number 1,2,3, etc. 耶格近距视力(试)标型(近视力表)1、2、3等
- The elevator doesn't stop at floor 1, 2 and 3. 电梯在一、二、三楼不停。
- Divide 2 into 7, and the answer is 3, remainder 1. 7 除以 2，商3余 1。
- He condensed his report from 2,000 words to 1,000. 他将报告从两千字压缩到一千字。
- Can you count backwards from 5? Yes, 5, 4, 3, 2, 1. 你能从5倒着数吗?可以，。
- Is the match on at 2 pm or 3 pm? 比赛是下午2时还是3时开始?
- The ratio of schoolboys to schoolgirls is 2 to 1. 男学生和女学生的比例是2比1。
- The cardinal includes 1, 2, 3, etc. 基数词包括1、2、3等等。
- The elevator doesn't stop at floors 1, 2 and 3. 电梯在一、二、三楼不停。
- Size 5 5 1 6 0 2 sq km. 3 0 0 0 km long coastline. 面积551602平方千米。
- He 1 2 in Suzhou , but he 3 4 in Shanghai now. 他出生在苏州，但现在居住在上海。
- Prepare for dropoff...Countdown, 5, 4, 3, 2, 1. 准备跳伞...倒计时：5，4，3，2，1。
- He won't 1 2 3 ,so he coughs a lot at night. 他不愿意戒烟，所以他晚上咳嗽很厉害。
- Will 2,000 dozens be enough for selling? 两千打够卖吗？
- The counselor bilked his clients out of$2 million. 那位顾问从他的顾客那里骗取了200万美元。
- Every afternoon the baby takes a nap for 2 hours. 每天下午宝宝都要睡两个小时。
- He added 2 gallons of fuel to his car. 他给汽车加了2加仑油。
