reckoner
英
['rekənə]
美
['rekənə]
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Noun:
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an expert at calculation (or at operating calculating machines)
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a handbook of tables used to facilitate computation
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用作名词 (n.)
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At the neck of the wrecked deck, the reckoner checked the opaque cheque.
在遭破坏的甲板的颈部,计算者检查了这张不透明支票。
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