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
that this interview could be an important experience for you.
这次面谈是一次很好的经验。
What's your favorite sport?
你最喜欢什么活动？
As she is not rich, the chances that she will ever be able to afford such purchases are remote;
由于她并不富裕，她买得起这些服装的可能性十分渺茫。