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. 這本襍志剛剛出版了第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 (強調某事發生的次數非常多)[強調]
The phone rings for the thousandth time. 電話鈴響了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. …重量僅爲1/1000尅的塵粒。