earthworks的例句（earthworks在句子中的用法）

• The enemy attacked the earthworks on the hill but were beaten back. 敌军进攻小山上的土木工事,但被击退.
• A fuze delay allows penetration of dense woods and light earthworks. 用于炮弹穿透浓密的林木和轻型土木工事.
• Europe's biggest Stone Age earthworks are at Silbury Hill in Wiltshire. 欧洲石器时期最大的土木防御工事位于威尔特郡的西尔布利山。