| 单词 | arithmetic |
| 释义 | arithmetic /o'nematik; s'nSms,tik/ n [U] science of numbers; working with numbers. 算术; 计算。 arithmetical /AaenQ'metikl; , seri9'meHkI adj of ~ . 算术的。 ~al progression, series of numbers showing an increase, or decrease, by a quantity that is always the same, eg 1, 2, 3, etc, or 7, 5, 3. etc. 算术级数; 等差级数。 arithmetician /s,ri9ms'tin; an0ma,tifan/ n expert in ~. 精于算术的人; 算术家。 |
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