算术类

arithmancy───n.数字算命法；算数占卜

Tiffany glass───蒂凡尼玻璃

antenatal class───产前班

arithmetic means───算术平均数

arithmeticians───n.算术家

art class───美术课

dance class───舞蹈班

at Hogwarts is taught by Professor Vector. In her class, students are expected to write essays and to create and be able to understand complicated number charts (PA12).───在霍格沃兹魔法学校，数字占卜术由维克多教授任教。她要求她的学生在课堂上写论文，去创造，能够完全明白数字图表。（PA12）

Arithmancy class at Hogwarts is taught by Professor Vector. In her class, students are expected to write essays and to create and be able to understand complicated number charts (PA12).