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
They had a special on frozen fish down at the supermarket.
超级市场 冷冻鱼特价。
No, it can't be gold.
不，它不可能是金子。
Maori families are often large, and uncles, aunts, grandparents and other relations may come to stay with the family for long periods.
毛利人的家庭通常很大，叔伯、婶娘、爷爷奶奶以及其他亲戚均可来与家里人长时期地住在一起。