单词
impregnable
英 [ɪm'pregnəb(ə)l]
美[ɪm'prɛɡnəbl]
基本信息
- adj. 无法攻取的；不受影响的；要塞坚固的；可以受孕的
英英释意
- 1. able to withstand attack;
- "an impregnable fortress"
- "fortifications that made the frontier inviolable"
- 2. impossible to take by storm
impregnable相关单词