Vec
abbr. 血管内皮细胞（vascular endothelial cells）
🗣️ 情景例句
Some think that all's fair in business.
一些人以为商界的一切都是公平的。
What is the economy like in this country?
这个国家的经济如何？
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。