a calculator that performs simple arithmetic functions
例句
用作名词 (n.)
In Finland, the idea of phones communicating with computerized tills so that you press a button and pay for your supermarket goods or drink from a vending machine is being tested. 在芬兰，人们在测试这样一个创意，即将电话同智能收款机连接，使人们能够直接通过按钮向超市付款或者从自动售货机购买饮料。
美
