impenetrable
UK/im'penitrәbl/US
GREC2
释义
adj.
Impossible to pass through or enter; impossible to understand or comprehend.
无法穿透的；难以理解的；费解的
词根拆分
原生英语impenetrableother
=impenetrable
常用搭配
- 1.impenetrable wall无法穿透的城墙
- 2.impenetrable mystery难以解开的谜团
例句
- 1.
The ancient fortress had impenetrable walls that no enemy could breach.
这座古老的堡垒有无法穿透的城墙，敌人无法突破。
- 2.
His motives remained impenetrable to even his closest friends.
即使是他最亲密的朋友也无法理解他的动机。