encrustations
英
美
n. (长时间形成的)外皮，外壳，沉积物
encrustation的复数
柯林斯词典
- (长时间形成的)外皮，外壳，沉积物
An encrustation is a hard and thick layer on the surface of something that has built up over a long period of time.
双语例句
- Infrared spectroscopy analysis of double J ureteral stent encrustations is a reliable method of predicting stone composition when the stone cannot be retrieved.
当不能得到原发结石标本时，双J管结壳的红外线光谱分析不失为一种能预测结石成分的可靠方法。