Undiscoverable
a. 无法发现(或发觉)的, 不能公诸于世的
🗣️ 情景例句
You won't believe this,
简直不会相信，
Let me think it over,and I'll let you know later.
让我考虑一下，回头再告诉你吧。
New Zealand wine is of high quality and is sold all over the world.
新西兰的葡萄酒质量很高，销往世界各地。