adj.根深蒂固的；(权力；风俗等)确立的
The troops were entrenched near the mountains. 部队在群山边筑起壕沟以防卫自己。
The enemy were strongly entrenched on the other side of the river. 敌军在河的对岸用坚固的壕沟防守。
Alice has quickly entrenched herself, in the new office, and is liked by everyone. 艾丽斯新到办公室后很快就处得很好，人人都喜欢她。
