英 [ɪmˈpreɡnəb(ə)l] 美 [ɪmˈpreɡnəb(ə)l]
adj. （要塞）坚固的，无法攻取的；不受影响的，难以改变的；可受孕的，可生育的
impregnable /ɪmˈprɛɡnəbəl/ TEM8
形容词 If you describe a building or other place as impregnable, you mean that it cannot be broken into or captured. 牢不可破的; 坚不可摧的
The old Dutch fort with its thick high walls looks virtually impregnable.
该座荷兰老城堡城墙又高又厚，看上去固若金汤。
形容词 If you say that a person or group is impregnable, or their position is impregnable, you think they cannot be defeated by anyone. 不可战胜的; 无法撼动的
...the company's impregnable market position.
...该公司无法撼动的市场地位。
形容词 able to be impregnated; fertile 可受精的; 可生育的
able to withstand attack
an impregnable fortress
同义词： inviolable / secure / strong / unassailable / unattackable
capable of conceiving
同义词： conceptive
incapable of being overcome, challenged or refuted
an impregnable argument ; impregnable self-confidence
同义词： inexpugnable
可浸透的
本赛季的巴萨，最引人注目已不再(No longer)是MVP组合的攻击力，而是(But)固若金汤(Impregnable)的防守(Defend)，无论(Regardless)是343仍是433阵型，信仰是没有国土和语言界限的，凡是拥护真理的人，就是兄弟和朋友。
...罗根细腻多变的进攻手法，但是(But)她却在2号老将斯科特状态不佳的情况下替补出场，为美国女排铸造起一道如铜墙铁壁(Impregnable)般的拦网体系，并联袂队友们最终3-2逆转险胜巴西女排(Volleyball)，她就是9号队员詹妮弗-乔伊斯。
...著前行，应氏杯、富士通杯、春兰杯三个亚军的成绩，声明了李昌镐仍然是众多年轻一代棋手向着世界巅峰冲击路上的雄关(Impregnable)险阻。本届LG杯李昌镐第一轮胜中国新锐柁嘉熹，第二轮胜日本金童井山裕太，八强战胜邱峻，半决赛胜朴文垚，再一次杀入决赛。
... impreg 浸渍木 impregnability 攻不破 impregnable 无法攻取的 ...
impregnability 攻不破；不受影响
无法攻取的；不受影响的；要塞坚固的；可以受孕的
The team built up an impregnable 5-1 lead.
这个队以5:1的绝对优势领先。
The old Dutch fort with its thick high walls looks virtually impregnable.
该座荷兰老城堡城墙又高又厚，看上去固若金汤。
The lawyer won his case with an impregnable argument.
律师以无可辩驳的论据打赢了那场官司。
The landing beaches will be as impregnable as any such beaches can be made.
Costa Concordia was supposed to be impregnable, but it capsized off the Italian coast.
The shells for the massive guns of this supposedly impregnable fortress were designed to destroy attacking ships, not massed infantry.