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1·Last year the millionth truck rolled off the assembly line.

去年，第100万辆卡车驶下了装配线。《柯林斯英汉双解大词典》

2·The bomb must explode within less than a millionth of a second.

那枚炸弹必须在百万分之一秒内爆炸。《柯林斯英汉双解大词典》

3·In order to make a nuclear explosion, the critical mass must come together within a fraction of a millionth of a second.

为促成一次核爆炸，临界质量必须在一百万分之一秒内聚集在一起。《柯林斯英汉双解大词典》

4·Extracting information about the large-scale composition of a planet from a sample weighing a millionth of a gram was a fascinating example of scientific endeavour.

从重量为百万分之一克的样品中提取有关行星宏观组成的信息是一个极为有趣的科学尝试实例。《柯林斯英汉双解大词典》

5·It ain't a millionth part of it!

那不是它的百万分之一！

6·A microsecond is a millionth of a second.

1微秒就是一百万分之一秒。

7·Last month it sold its 100 millionth phone.

上个月，该公司已经销售出其第一亿部手机。

8·The poisoning is relatively rapid and a millionth of a gram is sufficient to kill.

中毒的全过程相当迅速，只要沾染上百万分之一克的有毒物质便会迅速送命。

9·The Hubble Space Telescope completed its one millionth scientific observation in July.

今年7月哈勃望远镜完成了第1百万次科学观测。

10·That means the difference between the two is only one-third % of a millionth of a percent.

意味着,二者之间的差别仅是,百万分之三分之一。