A decimal system involves counting in units of ten.
双语例句
例：
The mathematics of ancient Egypt were based on a decimal system.
古埃及数学以十进制为基础。
例：
In 1971, the 1p and 2p decimal coins were introduced in Britain.
英国于1971年开始使用1便士和2便士的十进制硬币。
NOUN. 名词
decimals
1.?[C 可数名词] 小数
A decimal is a fraction that is written in the form of a dot followed by one or more numbers which represent tenths, hundredths, and so on: for example, .5, .51, .517.
双语例句
例：
simple maths concepts, such as decimals and fractions.