| Front | What does "impenetrable" mean? |
|---|---|
| Back | impossible or very difficult to get through: an i_____ barrier... i____ rock |
Tags: <standard>
Learn with these flashcards. Click next, previous, or up to navigate to more flashcards for this subject.
Next card: C investments convertible finance money easily exchanged forms
Previous card: O objectionable extremely offensive unacceptable power morally smell
Up to card list: ANGLISTYKA UJ ADVANCED ENGLISH ERNIE (www.anglista.edu.pl)