1.
The officer ordered his men to dig themselves in
军官命令部下掘壕自守。
2.
At New Hope Church, fifteen miles farther along the hotly fought way, the gray ranks dug in for a determined stand.
后来且战且退又跑了１５英里，到了纽雷教堂，南部联盟军才掘壕列阵，决心固守。
3.
The fighters steadily dug themselves in.
战士们沉着地挖掘战壕。
4.
a laborer who digs ditches.
挖掘沟渠壕沟的劳工。
5.
The division moved forward and broke new ground.
师团向前挺进，挖掘新的战壕。
6.
They were mining the enemy's trenches.
他们在挖掘地道直通敌人战壕。
7.
a military engineer who does sapping (digging trenches or undermining fortifications).
挖掘（挖堑壕或破坏工事）的工兵。
8.
a trench resembling a furrow that was made by erosion or excavation.
通过腐蚀或挖掘而成的类似于战壕的沟。
9.
I've heard that they're digging the most up-to-date kind of defence-works all round Hsuchow under the supervision of a foreign military adviser. He guarantees that the Central Army can hold this defence-line for at least a year!
听说徐州附近掘了新式的战壕，外国顾问监工，保可以守一年！
10.
Gas Disaster Characteristics and Prevention Countermeasures during Hard Heading Driving in Shihao Coalmine
石壕煤矿岩巷掘进中的瓦斯灾害特征及预防对策
11.
To fortify with trenches.
堑壕用堑壕加强防卫
12.
communication trench
【军】交通（沟）壕
13.
The soldiers were detailed off to dig ditches.
战士们被派去挖战壕。
14.
The soldiers were digging trenches.
士兵们(那时)正在挖战壕。
15.
search the trenches
(用开花弹)攻击战壕
16.
marking pit operated target
在靶壕中操纵的升降靶
17.
They toiled all day digging the trench.
他们整天艰苦地挖壕沟。
18.
The castle is girded with a moat
城堡四周围以壕沟。