英汉词典

1. 壕沟;沟渠
    A trench is a long narrow channel that is cut into the ground, for example in order to lay pipes or get rid of water.

2. 战壕，堑壕(the trenches 常指第一次世界大战的西线战场)
    A trench is a long narrow channel in the ground used by soldiers in order to protect themselves from the enemy. People often refer to the battle grounds of the First World War in Northern France and Belgium as the trenches .

trench的反义词

    e.g. We fought with them in the trenches.
           我们曾在一战西线战场上与他们并肩作战。
    e.g. ...trench warfare.
           堑壕战