小数点point 如 two point one one 2.11
百分数percent 如 twenty percent 20%
比例 分数的话如 one third 1/3 分子基数词分母序数词
比值的话如 one to three 1:3 都是基数词
百分数percentage 点point 比例proportion
point小数点
She has forgotten to point off the last two figures of 4235.她忘了把4235的最后两位用小数点分开。
百分数 percentage
Give the answer in terms of a percentage. 用百分数来回答这个问题。.
proportion 比例
a direct proportion正比例
小数点为point,如:1.8为one point eight
百分数为percent,如:百分之20为 percent twenty 或者twenty per cent
比例是proportion,不过在口语中常用to,如:2:1为two to one