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- My sister has three pens, but I have one pen. 我姐姐有三枝笔，可是我只有一枝笔。
- Those who teach reading,reckoning,and Latin have three pens. 教人读算和拉丁文的带三支笔。
- There is a ruler, two pencils and three pens in the box. 盒子里有一把尺子,两枝铅笔和三枝钢笔。
- Carrying two or three pens in your pen case should be enough. 笔套里有两三支笔就足够了。
- Remember to bring along two or three pens in case you run out of ink. 记住带两支或三支钢笔,以免钢笔没水。
- Here are three pens, which one is yours, this one or that one, or the one in the pencil case? 这里有三支笔,哪支是你的?这支,那支,还是铅笔盒里的那支?
- those who teach reading, reckoning, and Latin have three pens. 他们都是很有学问的人。
- He trudge three hour in the snow to get back home. 他在雪中跋涉三个钟点才回到家。
- In this paper, the VUV radiant characteristics of three Penning gases and the light emitting characteristics of seven VUV phosphors are compared and they are chosen to apply in ACPDP. 本文比较了三种系列潘宁气体的真空紫外辐射性能和七种真空紫外荧光粉的激发和发射性能，择其应用于ACPDP。
- Our family reunions are always three ring circus. 我家合家团聚的场面总是热闹非凡。
- The train arrived on the dot of three o'clock. 那辆火车三点钟准时到达。
- Her family lives three li away from her school. 她家住在离学校有三里路的地方。
- We spied three figures in the distance. 我们望见远处有三个人影儿。
- The earthwork was cast up in three hours. 土方工程在三小时内就完成了。
- Each of the pens costs three dollars. 每支钢笔价值美元。
- It's three blocks straight ahead. 一直往前走过三个街区就是。
- The investigator will be divided into three groups. 所有的调查员将被分为三个小组。
- Three people can sit in the back of this car. 这车的后座可坐3个人。
- I did the calculation by the rule of three. 我是根据比例运算法则计算出来的。
- He is on night duty three days a week. 他一个星期要上三天夜班。
