millionth

1. ORD The millionth item in a series is the one you count as number one million. 第一百萬的

Last year the millionth truck rolled off the assembly line. 去年，第100萬輛卡車駛下了裝配線。

2. FRACTION A millionth of something is one of a million equal parts of it. 百萬分之一的

The bomb must explode within less than a millionth of a second. 那枚炸彈必須在百萬分之一秒內(nèi)爆炸。