Keystone state
na. 宾夕法尼亚州的浑名\\n
🧩 词语组成解析
keystone
[['ki:stəun]]
n. 拱顶石, 楔石, 重点
🗣️ 情景例句
He's something!
他真了不起！
This is the schedule for tomorrow.
这是明天的日程安排。
The wagging dance meant that food was far away.
摇摆舞表示食物在远处。