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1·The desk calculator use a roll of paper.

这台台式计算机使用卷纸。

2·Can you grab my calculator from my desk?

你能把我桌上的计算器拿给我吗？

3·Right-handed people should place the calculator on the right side of their desk.

习惯右手的人应该把计算器放在你的右边。

4·Refrigerator, washing-machine, colour set, air-conditioning combined set, camera, telephone, sound box, microwave oven, electric rice cooker, desk lamp, shaver, calculator, computer?

冰箱、洗衣机、彩电、空调、手机、相机、电话机、音响、微波炉、电饭锅、台灯、剔须刀、计算器、计算机？