原级：calculator
1. 计算器：Cacti仙人掌 | Calculators计算器 | Calendars历法
2. 计算机：Molybdenum Disulfide Lubricant Products(二硫化钼润滑脂) | Calculators(计算机) | Cameras(照相机)
1. Vendors of prepaid cell phone cards - denominated in US dollars - carry calculators so they can give the latest rates.
2. \u0039\u0031\u0031\u67E5\u8BE2\u00B7\u82F1\u8BED\u5355\u8BCD
2. The Koreans don't want to be rushing for their calculators or to be relying on luck and are focussing on beating Switzerland.
3. But there are calculators to show you exactly how much money you can claim, so you don't have to guess.
4. With the help of electronic calculators, they can communicate and " negotiate " efficiently with shoppers.
5. It used to be that kids couldn't take calculators into math exams.