单词corrade
v.: 【地理】【地质】(流水、冰川等)侵蚀网络: 钢铁等
【地质学;地理学】(流水,冰川等的)磨蚀,侵蚀
Nowadays the corrade of debris under water to ancient weapon is much more than that hundreds years ago.
现今水中化工残物对古器侵蚀肯定较百年前迅速多了。