narrow pass
... 要隘,险要的地带 [a place difficult of access;narrow pass] 道路 [road] 防御工事[defence;fortification;defence works] ...
aplacedifficultofaccess
... 要隘,险要的地带〖aplacedifficultofaccess;narrowpass〗 道路〖road〗 防御工事〖defence;fortification;defenceworks〗 ...
要隘是词语,拼音yào’ài,释义为险要的关口或隘口。