arcanum
n. 奥秘；秘密；秘药
复数 arcana或arcanums
例句
The Arcanum of Space.
空间的奥秘。
Currently I am studying the older, pagan religions of Arcanum.
目前我正在研究奥秘中古老的异教信仰。
Epistemology is also the foundation and the arcanum of Wang's theory as a whole.
认识论部分是整个王阳明哲学的基础和奥秘所在。
