adding machine
/ˈadɪŋ məˌʃiːn/noun
A mechanical or electromechanical apparatus for adding up numbers.
Origin
Early 19th century; earliest use found in John White (c1757–1833). From adding + machine.
| 单词 | adding machine |
| 释义 | adding machine/ˈadɪŋ məˌʃiːn/noun A mechanical or electromechanical apparatus for adding up numbers. Origin |
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