Principle of relativity
n. 相对论
🧩 词语组成解析
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
🗣️ 情景例句
If I were you I'd change the beginning.
如果我是你的话，我会把开头改一改。
Progress is the activity of today and the assurance of tomorrow.
进展即今日的活动和明日的保证。
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，