N-th
a. 第n个的；n倍的；最近的
🧩 词语组成解析
[医] 钍(90号元素)
🗣️ 情景例句
No doubt about it.
毫无疑问。
This week he took his first vacation from work in five years.
五年来，他本周破例第一次休假。
But if we spend all that money
但是如果我们把所有钱都花光了，