单词：incrusting
音标：[in'krʌstiŋ] ；
结壳, 硬皮的形成, 剥落体的形成, 积垢
v decorate or cover lavishly (as with gems)
v cover or coat with a crust
v form a crust or a hard layer
v cover or coat with a crust
v form a crust or a hard layer