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
Could you give me more details about your company?
能否给我些贵公司更详细的资料？
Goodbye. Hope to see you again next year.
再见。希望明年再见到你。
I'm glad to hear that.
听你这么说真高兴。