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- I find a surplus store and buy a pocket calculator. 我找到一家出售剩余物品的商店，买了一台袖珍计算机。
- His fingers swept the keys of the piano. 他的手指在钢琴键盘上轻快地移动。
- The calculator needs a new battery. 计算器需换新电池。
- Herein lies the keys to the questions. 里面包含着问题的答案。
- The desk calculator use a roll of paper. 这台台式计算机使用卷纸。
- Cross-check your answer by using a calculator. 用计算器核对一下你的答案。
- It was careless of you to lose my car keys. 你实在太粗心，把我的车钥匙弄丢了。
- They scared him into handing over the keys. 他们把他吓得交出了钥匙。
- Keys are available on application to the principal. 向校长申请就可得到钥匙。
- Stop jingling your keys like that. 别把钥匙弄得叮当乱响。
- The organ has two banks of keys. 那架风琴有两排键盘。
- I totaled my expenses with a calculator. 我用计算器算出开支的总金额。
- He put the keys in the porter's lodge. 他把钥匙放在了传达室。
- You may leave your key at the reception desk. 你可以把钥匙留在服务台。
- We offered him the calculator for US$50. 这计算机我们向他开价五十美元。
- He put the key in the lock and turned it. 他把钥匙插入锁里转动。
- I have mislaid my key to the door. 我不知道把门钥匙放到哪里了。
- I was really up the creek when I lost my keys. 我丢掉钥匙之后，真正遇到了麻烦。
- I was unfortunate to lose my keys. 我很倒霉，丢了钥匙。
- A hand-held calculator; a hand-held video camera. 一台便携式计算器; 一架手提式录相机
