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共 2 条近义词
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戒备森严戒：警戒；备：防备。警戒防备极严密。[查看详情]
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铜墙铁壁亦作“铁壁铜墙”比喻防御工事坚固也比喻力量的强大、意志的坚定。英bastion of iron,impregnable fortress as a wall of bronze; impregnable like walls of brass and iron;[查看详情]
