Plumbous
a. 亚铅的, 含二价铅的\\n[化] 铅的; 二价铅的
🗣️ 情景例句
Have you ever studied French?
你学过法语吗？
My brothers must help with the house work at home.
我的兄弟在家里必须帮忙做家务。
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。