胸墻的用法和樣例：
例句
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射擊踏垛排有壕溝或胸墻的平臺，士兵們站在其上射擊
A platform lining a trench or parapet wall on which soldiers may stand when firing. -
炮墩，炮座堡壘內部的平臺或土墩，大炮可從中越過(guò)胸墻而發(fā)射
A platform or mound of earth within a fort from which guns are fired over the parapet. -
在主要的十字路口都匆匆筑起了胸墻。
Breastworks were thrown up at major intersections.
