Ethereality
n. 如醚的性质, 轻妙, 微妙
🗣️ 情景例句
Great! It's a date.
太好了！ 就说定了。
The best mirror is an old friend.
老朋友是最好的镜子。
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。