您要查找的是不是：
- The BDT(1,3 benzodithiol 2 yl) group conduced to the protection of the conjugated triene system. 其中BDT(1,3-苯并二硫-2-氧)基团的引入有利于共轭三烯系统的保
- Keywords R）;2（R） bis（1 H benzoimidazol 2 yl）ethane 1;2 diol tetranuclear copper? crystal structure complex; 关键词1（R）;2（R）-二（2-苯并咪唑）乙二醇;四核铜;晶体结构;配合物;
- Keywords ethyl 2 [3 （1;3 dioxolane 2 yl） 1 hydroxypropylphenyl] 2 methylpropionate;2 （2 bromethyl） 1;3 dioxolane;ethyl 2 （4 formyl phenyl） 2 methylpropionate;synthesis; 二氧戊烷-2-基）-1-羟丙基苯基]-2-甲基丙酸乙酯;2-（2-溴乙基）-1;3-二氧戊烷;2-（4-甲酰基苯基）-2-甲基丙酸乙酯;合成;
- 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。
- The ratio of schoolboys to schoolgirls is 2 to 1. 男学生和女学生的比例是2比1。
- This city has a population of more than 1,000,000. 这个城市人口超过一百万。
- The score stood 2 to 1 at the half. 上半场的比分为2比1。
- These socks retail at 1 dollar a pair. 这些袜子零卖一美圆一双。
- This mountain is 1,400 meters above sea level. 这座山海拔1,400米。
- These socks are going at 1 a pair. 这些短袜每双卖1英镑。
- The ratios of 1 to 5 and 20 to 100 are the same. 1与5之比和20与100之比相同。
- The thieves stole 1 million worth of jewellery. 窃贼偷走了价值100万英镑的珠宝。
- The winning time was 1 minute 5 seconds. 获胜的时间是1分零5秒。
- A unit of power equal to 1,000 watts. 千瓦功率的单位，等于1,000瓦。
- Talking of salary you will be paid$1,000 a month. 说到薪水，你一个月1000美元。
- I was able to knock their price down to $1. 我把价格压到一美元。
- Our mail orders are now running at$1,200 a week. 我们现在邮购业务是每周期1,200美元。
- Below is a list of $1 images sorted $2. 以下是按%242排列的%241幅图像列表。
- The ratio of students to teachers is 35:1. 学生和老师的比率是三十五比一。
- Their expenses reached a total of 1,000 pounds. 他们的花费总计一千英镑。
