Apob
飞机仪器观测
🗣️ 情景例句
and how hard it is
他还说这件事很难
History repeats itself.
历史本身常重演。
If he, or someone like him, were alive today, he might be able to tell us what to expect in the next fifty years.
如果他或是像他的什么人今天还活着的话，他大概可以告诉我们下一个50年后会发生什么事情。