Undiscoverable
a. 无法发现(或发觉)的, 不能公诸于世的
🗣️ 情景例句
Drug dependence should be looked at as a medical issue, not a criminal one.
毒品信赖应该被看成是医学问题，而不是犯罪问题。
Do you know when he will be back?
你知道他什么时候会回来？
Each of these represented a goddess and had, at one time, been painted.
每一尊雕像代表一位女神，而且一度上过色。