Undiscoverable
a. 无法发现(或发觉)的, 不能公诸于世的
🗣️ 情景例句
and see how the plan works.
看看这项计划实施得如何。
What size shoes do you wear?
你穿的鞋子是什么尺寸的？
I find listening really hard. Sometimes it's just impossible to understand.
我觉得听力很难。有时简直听不懂。