Underpeopled
a. 人口稀少的
🗣️ 情景例句
Technology has totally changed our life over the past two decades.
在过去的二十年里，科学技术已经完全改变了我们的生活。
None so deaf as those that won't hear.
置若罔闻。
The first records the arrival of longitudinal vibrations.
首先记录下的是纵向波的到达；