Cdkey
n. 激活码；序列号
🗣️ 情景例句
Don't go into hysterics.
不要歇斯底里。
Dear, you'll be home right after work, won't you?
亲爱的，你做完工作会直接回家是吗？
There are eighteen floors in the building, and he lives on the fifteenth floor.
这幢大楼有18层。他住在第15层。