记忆方法
将“impregnable”分解为“im”+“pregn”+“n”+“able”，可以想象成一个“堡垒”（fortress）被赋予了“impossible”（不可能的）特质，即堡垒坚固到无法被攻破。这样通过词根“pregn”联想到“pregnancy”（怀孕），与堡垒坚固形成对比，帮助记忆该单词表示“无法攻克的”。
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中文词源
impregnable 坚不可催的
im-,不，非，pregnable,易受攻击的，词源同prehensile,插入字母g.即没法攻击的，坚不可催的。
英语词源
- impregnable
-
impregnable: see prey
- impregnable (adj.)
- early 15c., imprenable "impossible to capture," from Middle French imprenable "invulnerable," from assimilated form of in- "not, opposite of" (see in- (1)) + Old French prenable "assailable, vulnerable" (see pregnable). With intrusive -g- 16c., on model of deign, reign, etc. Related: Impregnability.
权威例句
- 1. The Bundesbank's seemingly impregnable position has begun to weaken.
- 德意志联邦银行看似不可撼动的地位开始削弱了。
- 2. In those impregnable mountains, the guerrillas could hold out for years.
- 在那些易守难攻的大山里，游击队可以坚持很多年。
- 3. The old Dutch fort with its thick high walls looks virtually impregnable.
- 古老的荷兰城堡城墙又厚又高，看起来几乎固若金汤。
- 4. The team built up an impregnable 5-1 lead.
- 这个队以5:1的绝对优势领先。
- 5. 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.
相关单词
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