impenetrable
01
不可穿透的, 无法通过的
not capable of being entered, pierced, or passed through
Formal
例子
The thick fog made the forest impenetrable, obscuring visibility.
浓雾使森林变得无法穿越，模糊了能见度。
The fortress was surrounded by an impenetrable wall, making it difficult for invaders to breach.
堡垒被一道无法穿透的墙包围着，使得入侵者难以突破。
例子
The professor 's lectures on quantum mechanics were so impenetrable that most students struggled to grasp the concepts.
教授关于量子力学的讲座如此深奥，以至于大多数学生都难以理解这些概念。
The legal document was filled with impenetrable jargon, making it nearly impossible for the average person to understand.
法律文件中充满了难以理解的术语，使得普通人几乎不可能理解。
词汇树
impenetrableness
impenetrable
penetrable
penetr
