Fifteenthly
adv. 第15;1/15地
🗣️ 情景例句
Summer is vacation time.
夏季是度假的好时机。
He lived in California until he was seventeen.
他生活在加利福尼亚直到他十七岁。
In actual fact, I think you're right.
确实，我认为你是对的。