impregnability
/im,preɡnə'biləti/
n. 攻不破,不受影响
近
词
n. 
词
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frigate bird, frige, Frigen, Frigg, Frigga, frigger, frigging, fright, frighten, frightened,
相似单词
imprecisely, imprecision, impredicable, impredicative, impreg, impregnability, impregnable, impregnant, impregnatability, impregnate,