Cdkey
n. 激活码；序列号
🗣️ 情景例句
Can you cash this check for me?
你能替我兑现这张支票吗？
In college I majored in history, What was you major?
大学时我主修历史，你主修什么呢？
I think it's closed.
我想已经关门了吧。