Undiscoverable
a. 无法发现(或发觉)的, 不能公诸于世的
🗣️ 情景例句
Welcome aboard, Malcolm!
欢迎加入， Malcolm
My cousin is a member of a riding club, He seems riding.
我的表兄是一个骑马俱乐部成员，他似乎很喜欢骑马。
'Now you get out of here, all of you!' he shouted.
“你们都从这里走开，全都走开！”他大叫着，