Radicality
n. radical（基本的）的变形
🗣️ 情景例句
will see it and hear it?
看到和听到它呢？
A young married couple moved in next door to us.
一对年轻结婚的夫妇搬到了我们的隔壁。
and assuming such an automatic messenger picked up our first broadcasts of the 1920's,
假定外星人的这种自动化信息装置接收到了我们二十世纪二十年代的第一次广播信号，