thousandth

柯林斯词典

1. ORD The thousandth item in a series is the one that you count as number one thousand. 第一千
The magazine has just published its six thousandth edition. 这本杂志刚刚出版了第6000期。
2. ORD If you say that something has happened for the thousandth time, you are emphasizing that it has happened again and that it has already happened a large number of times. 第一千 (强调某事发生的次数非常多)[强调]
The phone rings for the thousandth time. 电话铃响了1千次了。
3. FRACTION A thousandth is one of a thousand equal parts of something. 1/1000
...a dust particle weighing only a thousandth of a gram. …重量仅为1/1000克的尘粒。