encrustations的中文翻译是什么意思
encrustations
/inˌkrʌsˈteiʃənz/
n. 结壳( encrustation的名词复数 ); 用覆盖物; 镶嵌; 硬壳
encrustations的柯林斯释义
N-VAR(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.