“伸缩缝”常见的英文表达是 expansion joint 。它指的是为防止材料因气候或环境变化(如温度变化导致热胀冷缩)产生裂缝或破坏,而在建筑物或构筑物中预先设置的间隙构造。
例如:The bridge is equipped with expansion joints to accommodate thermal expansion and contraction.(这座桥设置了伸缩缝,以适应热胀冷缩。)