en·crust·ed /ɪnˈkrʌstɪd/ adjectiveadj COVERcovered with a hard layer of something 硬壳覆盖的,结外壳的encrusted with/in a gold crown encrusted with diamonds 一顶镶满钻石的金皇冠
mud-encrusted/jewel-encrusted etc 沾满泥土的/镶满珠宝的等
—encrustation /ˌɪnkrʌˈsteɪʃən/ noun [countableC, uncountableU]