记忆方法
记忆“decimal”单词的方法是将其分解为“deci”和“metal”。将“deci”联想为“减小”，而“metal”联想为金属。想象金属被分割成越来越小的部分，形成十进制的分数或小数。这种视觉形象可以帮助你记忆“decimal”表示十进制。
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中文词源
decimal 十进位的
来自decim-, 十分之一。用于数学名词。
英语词源
- decimal
-
decimal: [17] Decimal comes from decimālis, a medieval Latin coinage based on decimus ‘tenth’, the ordinal derivative of Latin decem ‘ten’ (a relative of English ten). Other descendants of decem include December, decimate, dime, and the prefix deci-, while its Greek cousin déka has given us decade [15] and the prefix deca-.
=> decade, december, decimate, dime, ten, tithe - decimal (adj.)
- c. 1600, from Medeival Latin decimalis "of tithes or tenths," from Latin decimus "tenth," from decem "ten" (see ten). Applied to Arabic notation before modern sense of "decimal fractions" emerged. As a noun from 1640s.
权威例句
- 1. In 1971, the 1p and 2p decimal coins were introduced in Britain.
- 英国于1971年开始使用十进制的1便士和2便士硬币。
- 2. A pocket calculator only works to eight decimal places.
- 袖珍计算器只能计算到小数点后8位数。
- 3. The decimal 0.61 stands for 61 hundredths.
- 小数0.61代表61%。
- 4. The figure is accurate to two decimal places .
- 这个数精确到小数点后两位。
- 5. Britain converted to decimal currency on February 15 th, 1971.
- 英国于1971年2月15日改用十进位币制.
相关单词
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