Question

trench 【TRENCH】The soldiers dug trenches to protect themselves against enemy fire or attack.士兵们挖掘战壕来保护他们自己不受敌人的炮火或攻击。【重点词汇】trench n. 战壕

Accepted Answer

[trentʃ] 
trenchany long ditch cut in the ground
A trench is a deep and narrow hole, or ditch, in the ground, like the kind soldiers on frontlines might dig to give themselves shelter from the enemy.
A natural trench may also be a deep hole on the bottom of the ocean. The verb trench means to dig or to cut into, but you will most often hear the word as a noun, particularly relating to soldiers. The phrase trench warfare became popular around World War I, when technological advances in weapons changed the way that wars were fought. Today, you may have even own a trench coat, a kind of raincoat first worn by soldiers.
All forms of 'trench' will appear on average once every 209 pages.entrenchedentrenchmentretrenchmententrenchretrenchtrenchtrencher

Front	trench
Pron	[trentʃ]
Back	【TRENCH】 The soldiers dug trenches to protect themselves against enemy fire or attack. 士兵们挖掘战壕来保护他们自己不受敌人的炮火或攻击。【重点词汇】 trench n. 战壕
Vocab	trenchany long ditch cut in the ground A trench is a deep and narrow hole, or ditch, in the ground, like the kind soldiers on frontlines might dig to give themselves shelter from the enemy. A natural trench may also be a deep hole on the bottom of the ocean. The verb trench means to dig or to cut into, but you will most often hear the word as a noun, particularly relating to soldiers. The phrase trench warfare became popular around World War I, when technological advances in weapons changed the way that wars were fought. Today, you may have even own a trench coat, a kind of raincoat first worn by soldiers. All forms of 'trench' will appear on average once every 209 pages. entrenched entrenchment retrenchment entrench retrench trench trencher

Trench Soldiers Cut Deep Kind Dig Trentʃ Dug