entrench
v.用壕沟围绕或保护…；牢固地确立…；挖掘壕沟
n.壕沟；防御设施
网络解释.保卫；以壕沟防护；确立；挖壕沟以保护
词形变化:
过去式：entrenched 过去式：entrenched 过去式：entrenching 过去式：entrenches
派生词: entrenchment
双语例句
1. 1 . To hold on stubbornly, as to a position; entrench oneself.
固执地坚持立场; 稳固自己的地位.
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