back-number的例句（back-number在句子中的用法）

• A great number of problems have arisen. 出现了许多问题。
• A number of new products have been successfully trial-produced. 许多新产品已试制成功。
• In sampling, we choose a small number of items which we think are typical of the whole and examine the sample. 在采样时, 我们选择少量我们认为是代表整体的东西, 并对这个样本进行研究。
• A declining workforce has to provide for an increasing number of retired people. 逐渐减少的劳动人口须要供养越来越多的退休人员。
• transcendental number theory 超越数论
• In a deep trance, the subject is taken back to an earlier stage of their life. 在极度恍惚中，接受催眠的人回到早年的生活。
• They took me to a sleazy back-street hotel. 他们把我带到一个后街的肮脏的旅馆。
• Slacken your legs and slowly lie back. 放松双腿, 慢慢向后躺下。
• Hold tight when you ride at the back of your brother’s scooter. 你坐在你哥哥的摩托车后面时,要抓牢。
• The boss came back from holiday all relaxed and smiling, but now he’s reverting to type. 老板刚度假回来时十分随和，满面笑容，现在又恢复原样了。
• After 80 years as a school, the building has reverted back to being a house again. 这座建筑用作校舍80 年之后又重新成为住房。
• The echo resounded back to us. 回声传回到我们的耳中。
• Armed with such a precept,a number of doctors may slip into deceptive practices. 有了这样一条指导原则,一些医生可能渐渐习惯于采取骗人的做法。
• Two black plaits hung down on her back. 她两根黑黑的辫子垂在背上。
• The boy gave the bully a pelt on the back with a pebble. 那男孩用石子掷击小流氓的背脊。
• I didn’t mean to answer back,I merely meant to say that you had been misinformed. 我并不想跟你顶嘴,我只是想说你听到的话是搞错了。
• He came back from his holiday bursting with vitality and good health. 他度假归来之后，身强体壮，充满活力。
• She sent back her breakfast tray untouched. 她打发人将一盘她一口未动的早餐送回。
• The air crash caused an unprecedented number of deaths. 这次空难的死亡人数是空前的。
• Have you brought my screwdriver back yet? 你把我的螺丝刀带来了吗?