5th
n. 第五（fifth）
🗣️ 情景例句
I hate to bring this up, but this is a nonsmoking zone.
对不起提醒一下，这儿是禁烟区。
The doctor said it's just a mild cold, There's nothing to worry about.
医生说只是有点凉，不需要担心。
Then they had a second child-a son. How happy they were!
后来他们有了第2个孩子一个儿子。他们多么高兴啊！