短语词组短語Entrench dominance 加強市場支配地位entrench h 挖壕溝以保護entrench detail 進入壕溝entrench shovel 挖壕鍫entrench meander 嵌入曲流entrench valley 深切河穀entrench stream 深切河流Further Entrench 進一步鞏固 返回 entrench