encrustation
柯林斯詞典
1. N-VAR An encrustation is a hard and thick layer on the surface of something that has built up over a long period of time. (長時間形成的)硬殼; 外皮; 沉積物
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encrustation /???kr??ste???n/ (encrustations)
劍橋詞典
- →? incrustation
（同incrustation） 返回 encrustation