Level 5 · word 9,696 of 20,000
impenetrable
/ˌɪmˈpenətrəbəl/
American
- adj. 不可穿透的
- adj. 难以理解的
- adj. 不受影响的
- Definition
- adj. impossible to pass through
- adj. impossible to understand
- adj. impossible to affect
- Example
- The castle walls were impenetrable to every enemy attack.
- 城堡的城墙坚不可摧，任何敌人的进攻都无法突破。
Word familypenetrat-