🧩 词语组成解析
n. 亚瑟（男子名）；亚瑟王（传说中六世纪前后英国的国王, 圆桌骑士团的首领）
curve [经](表明税率与税收关系的)拉弗曲线
🗣️ 情景例句
I met her at Thanksgiving,
我在感恩节与她见面
There are seven of us altogether.
一共有7个。
It was from the study of these that so much was learnt about the interior of the earth.
正是从这两种波的研究中，我们可以了解到地球内部的许多情况。