Cdkey
n. 激活码；序列号
🗣️ 情景例句
He never speaks unless he is spoken to.
除非别人先对他开口，他从不先开口。
Every brave man is a man of his word.
勇敢的人都是信守诺言的人。
These friendly dogs, which were first brought from Asia, were used as watchdogs even in Roman times.
那些最先从亚洲引进的狗，待人友好，早在罗马时代就给人当看门狗了。