Apsas
abbr. 美国政治科学协会（American Political Science Association）
🗣️ 情景例句
I understand, Harry.
我了解， Harry。
God never shuts one door but he opens another.
天无绝人之路。
Imagine a pen attached to the weight in such a way that its point rests upon a piece of paper on the floor.
假定把一支笔拴在重物上，笔尖落在地板上的一张纸上，