Hass
哈斯铝合金
🗣️ 情景例句
We have two and a half hours.
还有两个半小时。
What is happening out there?
外面发生什么事情？
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，