Quadrupleness
四重性
🗣️ 情景例句
I was faced with a new problem.
我面临了新的问题。
I suppose he's coming to us.
我才他会到这来的。
That is perhaps why sculpture has been described as the most difficult of all arts;
雕塑被说成是所有艺术中最难的艺术，可能就是这个道理。