position 1,000,000 in a countable series of things
one part in a million equal parts
同义词：one-millionth
形容词 millionth:
the ordinal number of one million in counting order
millionth例句
A method of timing accurate to millionths of a second is needed to find the distance of objects.
为求出物体的距离，需要一种精确到误差不出百万分之一秒的测时方法。
One thousand millionth of a second.
一秒的十亿分之一。
millionth详细解释
mil.lionth n.（名词）The ordinal number matching the number million in a series.第一百万：序数词，为一组中的第一百万个One of a million equal parts.百万分之一：一百万等份中的一份 【引伸】 mil.lionth adv.（副词）adj.（形容词）
