calculationn.
英 kælkjʊ'leɪʃ(ə)n | 美 ,kælkju'leʃən
中文n. 计算；估计；计算的结果；深思熟虑
词根词源
calculation (n.)late 14c., from Late Latin calculationem (nominative calculatio), noun of action from past participle stem of calculare "to reckon, compute," from Latin calculus "reckoning, account," originally "pebble used in counting," diminutive of calx (genitive calcis) "limestone" (see chalk (n.)).
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