thousandth

第一千的

The store gave a small gift to its thousandth customer.

那家店送了小禮物給第一千位顧客。

千分之一的

A thousandth part of the solution is enough for the test.

千分之一的溶液就足夠做這項測試。

第一千個、第一千

She was the thousandth to cross the finish line that morning.

她是那天早上第一千個通過終點線的人。

千分之一

The race was decided by a few thousandths of a second.

這場比賽的勝負只差幾千分之一秒。