单词	impenetrable
释义	im·pen·e·tra·ble (ĭm-pĕnĭ-trə-bəl) adj. 1. Impossible to penetrate or enter: an impenetrable fortress. 2. Impossible to understand; incomprehensible: impenetrable jargon. 3. Impervious to sentiment or argument: an impenetrable heart. im·pene·tra·ble·ness n. im·pene·tra·bly adv.
随便看	strawweight straw wine strawworm strawy straw yellow stray strayer Strayhorn streak streaker streakily streakiness streak plate streaky stream streambed streamer streamlet streamline streamlined stream of consciousness stream-of-consciousness streamside streamy Streep

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