IPA(key): [ɐbnɐˈʐɨɫəsʲ] <span class="searchmatch">обнажи́лась</span> • (obnažílasʹ) feminine singular past indicative perfective of обнажи́ться (obnažítʹsja)...
revealed to become defenseless, to become exposed to the enemy грани́ца <span class="searchmatch">обнажи́лась</span> ― graníca obnažílasʹ ― the border was exposed passive of обнажи́ть (obnažítʹ)...