Kdc
密钥分配中心
🗣️ 情景例句
They don't have room service at Old Country Inn. Old Country Inn
没有房间服务部。
If y ou lose your job I'll lose mine, so we're in the same boat.
如果你失去工作，我也会失去的，所以我们处境相同。
and found our then prevailing primitive state completely uninteresting to their own advanced knowledge.
并且发现我们地球当时普遍存在着的原始状态同他们先进的知识相比是索然无味的。