Emplectum
空斗石墙
🗣️ 情景例句
If negotiaton fails, then what?
万一谈判破裂，怎么办？
I assume you've decided against buying a new car.
我假设你决定不买一辆新汽车。
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。