小数用英语表达是：decimal；
decimal：
adj.十进制的;小数的;十进位的。
n.小数。
复数： decimals
相关介绍
The computer performs calculations in binary and converts the results to decimal.
计算机以二进制数进行计算，而后把计算结果转换为十进制数。
The recurring decimal 3.999 … is also described as 3.9 recurring.
循环小数3.999...亦作3.9循环。
The decimal 0.61 stands for 61 hundredths.
小数0.61代表61%。
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。
Britain converted to decimal currency on February 15th, 1971.
英国于1971年2月15日改用十进位币制。
Difficulties were caused when Britain converted to a decimal money system.
英国改用十进币制后，出现了很多麻烦。
