Earset
（电话）耳机, 免提装置
🗣️ 情景例句
And miles to go before I sleep,
在我就寝前还得赶许多哩路
What are you thinking?
你想到哪里去了啊？
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。