Theory of gravity
引力论
🧩 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
Well begun, half done.
良好的开始，就是成功了一半。
Who is the president of this republic?
谁是这共和国的总统？
Nearly a week passed before the girl was able to explain what had happened to her.
几乎过了一个星期，那姑娘才能讲述自己的遭遇。