西瓜单词

calculator是什么意思

calculator

英 ['kælkjʊleɪtə] 美 ['kælkjuletɚ]

calculator (n.): late 14c., "mathematician, one who calculates," from Latin calculator, from calculatus, past participle of calculare "to reckon, compute," from calculus (see calculus). Of mechanical adding machine contraptions, from 1784. Of electronic ones, from 1946.
Electronic calculator uses 18,000 tubes to solve complex problems ["Scientific American" headline, June 1946]

1. He wonders why the digits on his calculator slope to the right.

他不明白为什么他的计算器上面的数字向右倾斜。

来自柯林斯例句

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。

5. My bank manager furrowed his brow, fingered his calculator and finally pronounced "Aha!": 我的银行经理眉头紧锁，拨弄着计算器，最后终于“啊哈!”了一声。