?挖壕锹
... entrenched meander ==> 嵌入曲流 entrenching shovel ==> 挖壕锹 entrepot duty ==> 转口税 ...
"E-tool" stands for entrenching tool, or collapsible shovel.
CNN: Digging in with the Marines
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。