catechism
n
(a) [U] summary of the principles of a religion in the form of questions and answers 教义问答.
(b) [C] series of such questions, used for religious instruction 教义问答集.
🗣️ 情景例句
She's on a diet these days.
这些天她在节食。
While the dog gnaws bone,companions would be none.
狗啃骨头无同伴。
I mean powder that is made from fish, blood and bone.