created sense approved 壁垒森严/壁壘森嚴 · bìlěisēnyán · fortified
壁垒森严 / 壁壘森嚴
bìlěisēnyán
fortified
strongly fortified and closely guarded, usually referring to military defenses
城堡四周壁垒森严,外人难以进入。
created sense approved 壁垒森严/壁壘森嚴 · bìlěisēnyán · divided
壁垒森严 / 壁壘森嚴
bìlěisēnyán
divided
sharply divided by rigid boundaries, clear distinctions, or ideological rifts
由于观念不同,这两大阵营之间壁垒森严。