分类的英语量词 - 基数十

denoting a quantity consisting of 20 items or units

二十

of the number 30; the number of legs on three crabs

三十

being ten more than thirty

四十

being ten more than forty

五十

being ten more than fifty

六十

being ten more than sixty

七十

being ten more than seventy

八十

being ten more than eighty

九十