Phylogenetics
系统发生学
🗣️ 情景例句
Are you sure? But ... OK.
你确定吗？ 但……算了。
There's many a slip between the cup and the lip.
天有不测风云。
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，