So sea access was always hard for Poland and consequently, Poland never became a historically significant naval power.

所以海上通道对波兰来说一直很困难，因此波兰从来没有成为历史上重要的海军强国。

Which at the time of Poland's black sea access was controlled by the Ottomans who are almost always a hostile state to Poland.

当时，波兰的黑海通道被奥斯曼人控制，而奥斯曼人几乎一直对波兰怀有敌意。