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词汇 adding-machine
语种 英语、汉语、英汉翻译、汉英翻译
释义 adding machine
noun[ C ]
uk /ˈæd.ɪŋ məˌʃiːn/ us /ˈæd.ɪŋ məˌʃiːn/
a mechanical or electronic device used to add numbers together:
In the 1890s, he invented the first mass-market adding machine in America.
Workers operated checkout lanes using battery-operated adding machines.
He records everything by hand, with the help of an electronic adding machine and an old typewriter.
The letter was accompanied by what appears to be an adding machine slip.
Most keyboards also have a numeric keypad with the keys laid out like the keys on a typical adding machine.
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更新时间:2025/7/18 6:43:47