thousandth
ordinal number uk/ˈθaʊ.zənθ/ us/ˈθaʊ.zənθ/
第一千
1,000th written as a word
Congratulations, you are our thousandth customer, and we have a special thank-you gift for you. 恭喜，你是我们的第一千名顾客，我们有一份特殊的礼物向你致谢。
thousandth
noun [ C ] uk/ˈθaʊ.zənθ/ us/ˈθaʊ.zənθ/
一千分之一
one of a thousand equal parts of something
a/one thousandth of a millimetre thick 千分之一毫米厚